Finding the Third Proportional to 72,432.56 and 112,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,432.56 : 112,153.50 = 112,153.50 : x
2. Step 2: Convert to fraction form
   72,432.56/112,153.50 = 112,153.50/x
3. Step 3: Cross multiply
   72,432.56x = 112,153.50 × 112,153.50
4. Step 4: Simplify right side
   72,432.56x = 12,578,407,562.25
5. Step 5: Solve for x
   x = 12,578,407,562.25/72,432.56
6. Step 6: Final answer
   x = 173,656.81