Finding the Third Proportional to 59,867,492 and 87,561,750

Step by Step Solution

1. Step 1: Write the proportion equation
   59,867,492 : 87,561,750 = 87,561,750 : x
2. Step 2: Convert to fraction form
   59,867,492/87,561,750 = 87,561,750/x
3. Step 3: Cross multiply
   59,867,492x = 87,561,750 × 87,561,750
4. Step 4: Simplify right side
   59,867,492x = 7,667,060,063,062,500
5. Step 5: Solve for x
   x = 7,667,060,063,062,500/59,867,492
6. Step 6: Final answer
   x = 128,067,166.45