Finding the Third Proportional to 99,022.50 and 142,134.75

Step by Step Solution

1. Step 1: Write the proportion equation
   99,022.50 : 142,134.75 = 142,134.75 : x
2. Step 2: Convert to fraction form
   99,022.50/142,134.75 = 142,134.75/x
3. Step 3: Cross multiply
   99,022.50x = 142,134.75 × 142,134.75
4. Step 4: Simplify right side
   99,022.50x = 20,202,287,157.56
5. Step 5: Solve for x
   x = 20,202,287,157.56/99,022.50
6. Step 6: Final answer
   x = 204,017.14