Finding the Third Proportional to 80,317.50 and 112,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,317.50 : 112,822.50 = 112,822.50 : x
2. Step 2: Convert to fraction form
   80,317.50/112,822.50 = 112,822.50/x
3. Step 3: Cross multiply
   80,317.50x = 112,822.50 × 112,822.50
4. Step 4: Simplify right side
   80,317.50x = 12,728,916,506.25
5. Step 5: Solve for x
   x = 12,728,916,506.25/80,317.50
6. Step 6: Final answer
   x = 158,482.48