Finding the Third Proportional to 59,867,488 and 87,561,744

Step by Step Solution

1. Step 1: Write the proportion equation
   59,867,488 : 87,561,744 = 87,561,744 : x
2. Step 2: Convert to fraction form
   59,867,488/87,561,744 = 87,561,744/x
3. Step 3: Cross multiply
   59,867,488x = 87,561,744 × 87,561,744
4. Step 4: Simplify right side
   59,867,488x = 7,667,059,012,321,536
5. Step 5: Solve for x
   x = 7,667,059,012,321,536/59,867,488
6. Step 6: Final answer
   x = 128,067,157.46