Finding the Third Proportional to 59,867,496 and 87,561,756

Step by Step Solution

1. Step 1: Write the proportion equation
   59,867,496 : 87,561,756 = 87,561,756 : x
2. Step 2: Convert to fraction form
   59,867,496/87,561,756 = 87,561,756/x
3. Step 3: Cross multiply
   59,867,496x = 87,561,756 × 87,561,756
4. Step 4: Simplify right side
   59,867,496x = 7,667,061,113,803,536
5. Step 5: Solve for x
   x = 7,667,061,113,803,536/59,867,496
6. Step 6: Final answer
   x = 128,067,175.45