Finding the Third Proportional to 66,016.13 and 142,554

Step by Step Solution

1. Step 1: Write the proportion equation
   66,016.13 : 142,554 = 142,554 : x
2. Step 2: Convert to fraction form
   66,016.13/142,554 = 142,554/x
3. Step 3: Cross multiply
   66,016.13x = 142,554 × 142,554
4. Step 4: Simplify right side
   66,016.13x = 20,321,642,916
5. Step 5: Solve for x
   x = 20,321,642,916/66,016.13
6. Step 6: Final answer
   x = 307,828.47