Finding the Third Proportional to 42,469.88 and 89,070.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,469.88 : 89,070.75 = 89,070.75 : x
2. Step 2: Convert to fraction form
   42,469.88/89,070.75 = 89,070.75/x
3. Step 3: Cross multiply
   42,469.88x = 89,070.75 × 89,070.75
4. Step 4: Simplify right side
   42,469.88x = 7,933,598,505.56
5. Step 5: Solve for x
   x = 7,933,598,505.56/42,469.88
6. Step 6: Final answer
   x = 186,805.32