Finding the Third Proportional to 615,645,749.50 and 1,354,419,434

Step by Step Solution

1. Step 1: Write the proportion equation
   615,645,749.50 : 1,354,419,434 = 1,354,419,434 : x
2. Step 2: Convert to fraction form
   615,645,749.50/1,354,419,434 = 1,354,419,434/x
3. Step 3: Cross multiply
   615,645,749.50x = 1,354,419,434 × 1,354,419,434
4. Step 4: Simplify right side
   615,645,749.50x = 1,834,452,003,196,880,384
5. Step 5: Solve for x
   x = 1,834,452,003,196,880,384/615,645,749.50
6. Step 6: Final answer
   x = 2,979,720,082.02