Finding the Third Proportional to 80,715 and 112,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,715 : 112,845.50 = 112,845.50 : x
2. Step 2: Convert to fraction form
   80,715/112,845.50 = 112,845.50/x
3. Step 3: Cross multiply
   80,715x = 112,845.50 × 112,845.50
4. Step 4: Simplify right side
   80,715x = 12,734,106,870.25
5. Step 5: Solve for x
   x = 12,734,106,870.25/80,715
6. Step 6: Final answer
   x = 157,766.30