Finding the Third Proportional to 328,814,541 and 715,513,870

Step by Step Solution

1. Step 1: Write the proportion equation
   328,814,541 : 715,513,870 = 715,513,870 : x
2. Step 2: Convert to fraction form
   328,814,541/715,513,870 = 715,513,870/x
3. Step 3: Cross multiply
   328,814,541x = 715,513,870 × 715,513,870
4. Step 4: Simplify right side
   328,814,541x = 511,960,098,162,376,896
5. Step 5: Solve for x
   x = 511,960,098,162,376,896/328,814,541
6. Step 6: Final answer
   x = 1,556,987,402.70