Finding the Third Proportional to 42,253.50 and 89,892.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,253.50 : 89,892.75 = 89,892.75 : x
2. Step 2: Convert to fraction form
   42,253.50/89,892.75 = 89,892.75/x
3. Step 3: Cross multiply
   42,253.50x = 89,892.75 × 89,892.75
4. Step 4: Simplify right side
   42,253.50x = 8,080,706,502.56
5. Step 5: Solve for x
   x = 8,080,706,502.56/42,253.50
6. Step 6: Final answer
   x = 191,243.48