Finding the Third Proportional to 91,180.50 and 142,305.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,180.50 : 142,305.75 = 142,305.75 : x
2. Step 2: Convert to fraction form
   91,180.50/142,305.75 = 142,305.75/x
3. Step 3: Cross multiply
   91,180.50x = 142,305.75 × 142,305.75
4. Step 4: Simplify right side
   91,180.50x = 20,250,926,483.06
5. Step 5: Solve for x
   x = 20,250,926,483.06/91,180.50
6. Step 6: Final answer
   x = 222,097.12