Finding the Third Proportional to 91,756.50 and 140,377.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,756.50 : 140,377.75 = 140,377.75 : x
2. Step 2: Convert to fraction form
   91,756.50/140,377.75 = 140,377.75/x
3. Step 3: Cross multiply
   91,756.50x = 140,377.75 × 140,377.75
4. Step 4: Simplify right side
   91,756.50x = 19,705,912,695.06
5. Step 5: Solve for x
   x = 19,705,912,695.06/91,756.50
6. Step 6: Final answer
   x = 214,763.13