Finding the Third Proportional to 72,440.50 and 110,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,440.50 : 110,813.50 = 110,813.50 : x
2. Step 2: Convert to fraction form
   72,440.50/110,813.50 = 110,813.50/x
3. Step 3: Cross multiply
   72,440.50x = 110,813.50 × 110,813.50
4. Step 4: Simplify right side
   72,440.50x = 12,279,631,782.25
5. Step 5: Solve for x
   x = 12,279,631,782.25/72,440.50
6. Step 6: Final answer
   x = 169,513.35