Finding the Third Proportional to 57,987 and 88,852.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,987 : 88,852.50 = 88,852.50 : x
2. Step 2: Convert to fraction form
   57,987/88,852.50 = 88,852.50/x
3. Step 3: Cross multiply
   57,987x = 88,852.50 × 88,852.50
4. Step 4: Simplify right side
   57,987x = 7,894,766,756.25
5. Step 5: Solve for x
   x = 7,894,766,756.25/57,987
6. Step 6: Final answer
   x = 136,147.18