Finding the Third Proportional to 72,235.55 and 112,288.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,235.55 : 112,288.78 = 112,288.78 : x
2. Step 2: Convert to fraction form
   72,235.55/112,288.78 = 112,288.78/x
3. Step 3: Cross multiply
   72,235.55x = 112,288.78 × 112,288.78
4. Step 4: Simplify right side
   72,235.55x = 12,608,770,394.61
5. Step 5: Solve for x
   x = 12,608,770,394.61/72,235.55
6. Step 6: Final answer
   x = 174,550.77