Finding the Third Proportional to 90,481.50 and 140,892.75

Step by Step Solution

1. Step 1: Write the proportion equation
   90,481.50 : 140,892.75 = 140,892.75 : x
2. Step 2: Convert to fraction form
   90,481.50/140,892.75 = 140,892.75/x
3. Step 3: Cross multiply
   90,481.50x = 140,892.75 × 140,892.75
4. Step 4: Simplify right side
   90,481.50x = 19,850,767,002.56
5. Step 5: Solve for x
   x = 19,850,767,002.56/90,481.50
6. Step 6: Final answer
   x = 219,390.34