Finding the Third Proportional to 91,865.25 and 140,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,865.25 : 140,530.50 = 140,530.50 : x
2. Step 2: Convert to fraction form
   91,865.25/140,530.50 = 140,530.50/x
3. Step 3: Cross multiply
   91,865.25x = 140,530.50 × 140,530.50
4. Step 4: Simplify right side
   91,865.25x = 19,748,821,430.25
5. Step 5: Solve for x
   x = 19,748,821,430.25/91,865.25
6. Step 6: Final answer
   x = 214,975.97