Finding the Third Proportional to 59,955 and 87,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,955 : 87,988.50 = 87,988.50 : x
2. Step 2: Convert to fraction form
   59,955/87,988.50 = 87,988.50/x
3. Step 3: Cross multiply
   59,955x = 87,988.50 × 87,988.50
4. Step 4: Simplify right side
   59,955x = 7,741,976,132.25
5. Step 5: Solve for x
   x = 7,741,976,132.25/59,955
6. Step 6: Final answer
   x = 129,129.78