Finding the Third Proportional to 59,867,494 and 87,561,753

Step by Step Solution

1. Step 1: Write the proportion equation
   59,867,494 : 87,561,753 = 87,561,753 : x
2. Step 2: Convert to fraction form
   59,867,494/87,561,753 = 87,561,753/x
3. Step 3: Cross multiply
   59,867,494x = 87,561,753 × 87,561,753
4. Step 4: Simplify right side
   59,867,494x = 7,667,060,588,433,009
5. Step 5: Solve for x
   x = 7,667,060,588,433,009/59,867,494
6. Step 6: Final answer
   x = 128,067,170.95