Finding the Third Proportional to 10,722.75 and 22,177.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,722.75 : 22,177.88 = 22,177.88 : x
2. Step 2: Convert to fraction form
   10,722.75/22,177.88 = 22,177.88/x
3. Step 3: Cross multiply
   10,722.75x = 22,177.88 × 22,177.88
4. Step 4: Simplify right side
   10,722.75x = 491,858,139.52
5. Step 5: Solve for x
   x = 491,858,139.52/10,722.75
6. Step 6: Final answer
   x = 45,870.52