Finding the Third Proportional to 91,731.75 and 140,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,731.75 : 140,333.50 = 140,333.50 : x
2. Step 2: Convert to fraction form
   91,731.75/140,333.50 = 140,333.50/x
3. Step 3: Cross multiply
   91,731.75x = 140,333.50 × 140,333.50
4. Step 4: Simplify right side
   91,731.75x = 19,693,491,222.25
5. Step 5: Solve for x
   x = 19,693,491,222.25/91,731.75
6. Step 6: Final answer
   x = 214,685.66