Finding the Third Proportional to 59,335,170 and 123,217,860

Step by Step Solution

1. Step 1: Write the proportion equation
   59,335,170 : 123,217,860 = 123,217,860 : x
2. Step 2: Convert to fraction form
   59,335,170/123,217,860 = 123,217,860/x
3. Step 3: Cross multiply
   59,335,170x = 123,217,860 × 123,217,860
4. Step 4: Simplify right side
   59,335,170x = 15,182,641,022,979,600
5. Step 5: Solve for x
   x = 15,182,641,022,979,600/59,335,170
6. Step 6: Final answer
   x = 255,879,287.49