Finding the Third Proportional to 73,909.50 and 112,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,909.50 : 112,708.50 = 112,708.50 : x
2. Step 2: Convert to fraction form
   73,909.50/112,708.50 = 112,708.50/x
3. Step 3: Cross multiply
   73,909.50x = 112,708.50 × 112,708.50
4. Step 4: Simplify right side
   73,909.50x = 12,703,205,972.25
5. Step 5: Solve for x
   x = 12,703,205,972.25/73,909.50
6. Step 6: Final answer
   x = 171,875.14