Finding the Third Proportional to 78,492.50 and 112,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,492.50 : 112,098.50 = 112,098.50 : x
2. Step 2: Convert to fraction form
   78,492.50/112,098.50 = 112,098.50/x
3. Step 3: Cross multiply
   78,492.50x = 112,098.50 × 112,098.50
4. Step 4: Simplify right side
   78,492.50x = 12,566,073,702.25
5. Step 5: Solve for x
   x = 12,566,073,702.25/78,492.50
6. Step 6: Final answer
   x = 160,092.67