Finding the Third Proportional to 72,442.50 and 110,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,442.50 : 110,816.50 = 110,816.50 : x
2. Step 2: Convert to fraction form
   72,442.50/110,816.50 = 110,816.50/x
3. Step 3: Cross multiply
   72,442.50x = 110,816.50 × 110,816.50
4. Step 4: Simplify right side
   72,442.50x = 12,280,296,672.25
5. Step 5: Solve for x
   x = 12,280,296,672.25/72,442.50
6. Step 6: Final answer
   x = 169,517.85