Finding the Third Proportional to 68,625 and 109,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,625 : 109,588.50 = 109,588.50 : x
2. Step 2: Convert to fraction form
   68,625/109,588.50 = 109,588.50/x
3. Step 3: Cross multiply
   68,625x = 109,588.50 × 109,588.50
4. Step 4: Simplify right side
   68,625x = 12,009,639,332.25
5. Step 5: Solve for x
   x = 12,009,639,332.25/68,625
6. Step 6: Final answer
   x = 175,003.85