Finding the Third Proportional to 49,679.50 and 76,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,679.50 : 76,751.50 = 76,751.50 : x
2. Step 2: Convert to fraction form
   49,679.50/76,751.50 = 76,751.50/x
3. Step 3: Cross multiply
   49,679.50x = 76,751.50 × 76,751.50
4. Step 4: Simplify right side
   49,679.50x = 5,890,792,752.25
5. Step 5: Solve for x
   x = 5,890,792,752.25/49,679.50
6. Step 6: Final answer
   x = 118,575.93