Finding the Third Proportional to 91,842.50 and 141,855.81

Step by Step Solution

1. Step 1: Write the proportion equation
   91,842.50 : 141,855.81 = 141,855.81 : x
2. Step 2: Convert to fraction form
   91,842.50/141,855.81 = 141,855.81/x
3. Step 3: Cross multiply
   91,842.50x = 141,855.81 × 141,855.81
4. Step 4: Simplify right side
   91,842.50x = 20,123,071,540.04
5. Step 5: Solve for x
   x = 20,123,071,540.04/91,842.50
6. Step 6: Final answer
   x = 219,104.14