Finding the Third Proportional to 207,684,261 and 443,166,426

Step by Step Solution

1. Step 1: Write the proportion equation
   207,684,261 : 443,166,426 = 443,166,426 : x
2. Step 2: Convert to fraction form
   207,684,261/443,166,426 = 443,166,426/x
3. Step 3: Cross multiply
   207,684,261x = 443,166,426 × 443,166,426
4. Step 4: Simplify right side
   207,684,261x = 196,396,481,133,613,472
5. Step 5: Solve for x
   x = 196,396,481,133,613,472/207,684,261
6. Step 6: Final answer
   x = 945,649,324.55