Finding the Third Proportional to 207,267,938 and 443,233,688

Step by Step Solution

1. Step 1: Write the proportion equation
   207,267,938 : 443,233,688 = 443,233,688 : x
2. Step 2: Convert to fraction form
   207,267,938/443,233,688 = 443,233,688/x
3. Step 3: Cross multiply
   207,267,938x = 443,233,688 × 443,233,688
4. Step 4: Simplify right side
   207,267,938x = 196,456,102,178,081,344
5. Step 5: Solve for x
   x = 196,456,102,178,081,344/207,267,938
6. Step 6: Final answer
   x = 947,836,428.89