Finding the Third Proportional to 51,117.75 and 76,744.13

Step by Step Solution

1. Step 1: Write the proportion equation
   51,117.75 : 76,744.13 = 76,744.13 : x
2. Step 2: Convert to fraction form
   51,117.75/76,744.13 = 76,744.13/x
3. Step 3: Cross multiply
   51,117.75x = 76,744.13 × 76,744.13
4. Step 4: Simplify right side
   51,117.75x = 5,889,660,722.02
5. Step 5: Solve for x
   x = 5,889,660,722.02/51,117.75
6. Step 6: Final answer
   x = 115,217.53