Finding the Third Proportional to 52,987.50 and 115,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,987.50 : 115,087.50 = 115,087.50 : x
2. Step 2: Convert to fraction form
   52,987.50/115,087.50 = 115,087.50/x
3. Step 3: Cross multiply
   52,987.50x = 115,087.50 × 115,087.50
4. Step 4: Simplify right side
   52,987.50x = 13,245,132,656.25
5. Step 5: Solve for x
   x = 13,245,132,656.25/52,987.50
6. Step 6: Final answer
   x = 249,967.12