= =
Ans: The investor needs to invest $675564.17 today to have $1 million in 5 years.
Check: I'll just compute the value of the investment at each 6mo compounding interval:
time(yrs) value ($)
--------- ---------
0 675564.17
0.5 702586.74
1.0 730690.21
1.5 759917.81
2.0 790314.53
2.5 821927.11
3.0 854804.19
3.5 888996.36
4.0 924556.21
4.5 961537.46
5.0 1000000.00