Finding the Third Proportional to 91,865 and 141,959

Step by Step Solution

1. Step 1: Write the proportion equation
   91,865 : 141,959 = 141,959 : x
2. Step 2: Convert to fraction form
   91,865/141,959 = 141,959/x
3. Step 3: Cross multiply
   91,865x = 141,959 × 141,959
4. Step 4: Simplify right side
   91,865x = 20,152,357,681
5. Step 5: Solve for x
   x = 20,152,357,681/91,865
6. Step 6: Final answer
   x = 219,369.27