Finding the Third Proportional to 59,859.91 and 89,624.99

Step by Step Solution

1. Step 1: Write the proportion equation
   59,859.91 : 89,624.99 = 89,624.99 : x
2. Step 2: Convert to fraction form
   59,859.91/89,624.99 = 89,624.99/x
3. Step 3: Cross multiply
   59,859.91x = 89,624.99 × 89,624.99
4. Step 4: Simplify right side
   59,859.91x = 8,032,638,105.94
5. Step 5: Solve for x
   x = 8,032,638,105.94/59,859.91
6. Step 6: Final answer
   x = 134,190.60