Finding the Third Proportional to 49,891.75 and 71,722.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,891.75 : 71,722.75 = 71,722.75 : x
2. Step 2: Convert to fraction form
   49,891.75/71,722.75 = 71,722.75/x
3. Step 3: Cross multiply
   49,891.75x = 71,722.75 × 71,722.75
4. Step 4: Simplify right side
   49,891.75x = 5,144,152,867.56
5. Step 5: Solve for x
   x = 5,144,152,867.56/49,891.75
6. Step 6: Final answer
   x = 103,106.28