Finding the Third Proportional to 12,760,170 and 28,000,398

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760,170 : 28,000,398 = 28,000,398 : x
2. Step 2: Convert to fraction form
   12,760,170/28,000,398 = 28,000,398/x
3. Step 3: Cross multiply
   12,760,170x = 28,000,398 × 28,000,398
4. Step 4: Simplify right side
   12,760,170x = 784,022,288,158,404
5. Step 5: Solve for x
   x = 784,022,288,158,404/12,760,170
6. Step 6: Final answer
   x = 61,442,934.39