Finding the Third Proportional to 81,533.25 and 112,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,533.25 : 112,660.50 = 112,660.50 : x
2. Step 2: Convert to fraction form
   81,533.25/112,660.50 = 112,660.50/x
3. Step 3: Cross multiply
   81,533.25x = 112,660.50 × 112,660.50
4. Step 4: Simplify right side
   81,533.25x = 12,692,388,260.25
5. Step 5: Solve for x
   x = 12,692,388,260.25/81,533.25
6. Step 6: Final answer
   x = 155,671.32