Finding the Third Proportional to 59,008.50 and 87,621.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,008.50 : 87,621.75 = 87,621.75 : x
2. Step 2: Convert to fraction form
   59,008.50/87,621.75 = 87,621.75/x
3. Step 3: Cross multiply
   59,008.50x = 87,621.75 × 87,621.75
4. Step 4: Simplify right side
   59,008.50x = 7,677,571,073.06
5. Step 5: Solve for x
   x = 7,677,571,073.06/59,008.50
6. Step 6: Final answer
   x = 130,109.58