Finding the Third Proportional to 207,267,915 and 443,233,645

Step by Step Solution

1. Step 1: Write the proportion equation
   207,267,915 : 443,233,645 = 443,233,645 : x
2. Step 2: Convert to fraction form
   207,267,915/443,233,645 = 443,233,645/x
3. Step 3: Cross multiply
   207,267,915x = 443,233,645 × 443,233,645
4. Step 4: Simplify right side
   207,267,915x = 196,456,064,059,986,016
5. Step 5: Solve for x
   x = 196,456,064,059,986,016/207,267,915
6. Step 6: Final answer
   x = 947,836,350.17