Finding the Third Proportional to 89,320.50 and 142,180.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,320.50 : 142,180.75 = 142,180.75 : x
2. Step 2: Convert to fraction form
   89,320.50/142,180.75 = 142,180.75/x
3. Step 3: Cross multiply
   89,320.50x = 142,180.75 × 142,180.75
4. Step 4: Simplify right side
   89,320.50x = 20,215,365,670.56
5. Step 5: Solve for x
   x = 20,215,365,670.56/89,320.50
6. Step 6: Final answer
   x = 226,323.92