Finding the Third Proportional to 40,687.50 and 88,138.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,687.50 : 88,138.50 = 88,138.50 : x
2. Step 2: Convert to fraction form
   40,687.50/88,138.50 = 88,138.50/x
3. Step 3: Cross multiply
   40,687.50x = 88,138.50 × 88,138.50
4. Step 4: Simplify right side
   40,687.50x = 7,768,395,182.25
5. Step 5: Solve for x
   x = 7,768,395,182.25/40,687.50
6. Step 6: Final answer
   x = 190,928.30