Finding the Third Proportional to 130,479,964 and 207,291,404

Step by Step Solution

1. Step 1: Write the proportion equation
   130,479,964 : 207,291,404 = 207,291,404 : x
2. Step 2: Convert to fraction form
   130,479,964/207,291,404 = 207,291,404/x
3. Step 3: Cross multiply
   130,479,964x = 207,291,404 × 207,291,404
4. Step 4: Simplify right side
   130,479,964x = 42,969,726,172,291,216
5. Step 5: Solve for x
   x = 42,969,726,172,291,216/130,479,964
6. Step 6: Final answer
   x = 329,320,493.78