Finding the Third Proportional to 91,029.75 and 142,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,029.75 : 142,499.25 = 142,499.25 : x
2. Step 2: Convert to fraction form
   91,029.75/142,499.25 = 142,499.25/x
3. Step 3: Cross multiply
   91,029.75x = 142,499.25 × 142,499.25
4. Step 4: Simplify right side
   91,029.75x = 20,306,036,250.56
5. Step 5: Solve for x
   x = 20,306,036,250.56/91,029.75
6. Step 6: Final answer
   x = 223,070.33