Finding the Third Proportional to 91,957.50 and 140,609.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,957.50 : 140,609.25 = 140,609.25 : x
2. Step 2: Convert to fraction form
   91,957.50/140,609.25 = 140,609.25/x
3. Step 3: Cross multiply
   91,957.50x = 140,609.25 × 140,609.25
4. Step 4: Simplify right side
   91,957.50x = 19,770,961,185.56
5. Step 5: Solve for x
   x = 19,770,961,185.56/91,957.50
6. Step 6: Final answer
   x = 215,001.07