Finding the Third Proportional to 91,550 and 141,681

Step by Step Solution

1. Step 1: Write the proportion equation
   91,550 : 141,681 = 141,681 : x
2. Step 2: Convert to fraction form
   91,550/141,681 = 141,681/x
3. Step 3: Cross multiply
   91,550x = 141,681 × 141,681
4. Step 4: Simplify right side
   91,550x = 20,073,505,761
5. Step 5: Solve for x
   x = 20,073,505,761/91,550
6. Step 6: Final answer
   x = 219,262.76