Finding the Third Proportional to 615,645,741.38 and 1,354,419,417.38

Step by Step Solution

1. Step 1: Write the proportion equation
   615,645,741.38 : 1,354,419,417.38 = 1,354,419,417.38 : x
2. Step 2: Convert to fraction form
   615,645,741.38/1,354,419,417.38 = 1,354,419,417.38/x
3. Step 3: Cross multiply
   615,645,741.38x = 1,354,419,417.38 × 1,354,419,417.38
4. Step 4: Simplify right side
   615,645,741.38x = 1,834,451,958,162,434,560
5. Step 5: Solve for x
   x = 1,834,451,958,162,434,560/615,645,741.38
6. Step 6: Final answer
   x = 2,979,720,048.20