Finding the Third Proportional to 59,074.75 and 89,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,074.75 : 89,704.50 = 89,704.50 : x
2. Step 2: Convert to fraction form
   59,074.75/89,704.50 = 89,704.50/x
3. Step 3: Cross multiply
   59,074.75x = 89,704.50 × 89,704.50
4. Step 4: Simplify right side
   59,074.75x = 8,046,897,320.25
5. Step 5: Solve for x
   x = 8,046,897,320.25/59,074.75
6. Step 6: Final answer
   x = 136,215.51