Finding the Third Proportional to 49,659.75 and 63,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,659.75 : 63,760.50 = 63,760.50 : x
2. Step 2: Convert to fraction form
   49,659.75/63,760.50 = 63,760.50/x
3. Step 3: Cross multiply
   49,659.75x = 63,760.50 × 63,760.50
4. Step 4: Simplify right side
   49,659.75x = 4,065,401,360.25
5. Step 5: Solve for x
   x = 4,065,401,360.25/49,659.75
6. Step 6: Final answer
   x = 81,865.12