Finding the Third Proportional to 340,787,404.50 and 746,443,821

Step by Step Solution

1. Step 1: Write the proportion equation
   340,787,404.50 : 746,443,821 = 746,443,821 : x
2. Step 2: Convert to fraction form
   340,787,404.50/746,443,821 = 746,443,821/x
3. Step 3: Cross multiply
   340,787,404.50x = 746,443,821 × 746,443,821
4. Step 4: Simplify right side
   340,787,404.50x = 557,178,377,909,080,064
5. Step 5: Solve for x
   x = 557,178,377,909,080,064/340,787,404.50
6. Step 6: Final answer
   x = 1,634,973,507.09