Finding the Third Proportional to 45,276.75 and 71,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,276.75 : 71,617.50 = 71,617.50 : x
2. Step 2: Convert to fraction form
   45,276.75/71,617.50 = 71,617.50/x
3. Step 3: Cross multiply
   45,276.75x = 71,617.50 × 71,617.50
4. Step 4: Simplify right side
   45,276.75x = 5,129,066,306.25
5. Step 5: Solve for x
   x = 5,129,066,306.25/45,276.75
6. Step 6: Final answer
   x = 113,282.56