Finding the Third Proportional to 89,321.75 and 142,182.63

Step by Step Solution

1. Step 1: Write the proportion equation
   89,321.75 : 142,182.63 = 142,182.63 : x
2. Step 2: Convert to fraction form
   89,321.75/142,182.63 = 142,182.63/x
3. Step 3: Cross multiply
   89,321.75x = 142,182.63 × 142,182.63
4. Step 4: Simplify right side
   89,321.75x = 20,215,898,851.89
5. Step 5: Solve for x
   x = 20,215,898,851.89/89,321.75
6. Step 6: Final answer
   x = 226,326.72