Finding the Third Proportional to 10,126.27 and 20,753.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,126.27 : 20,753.72 = 20,753.72 : x
2. Step 2: Convert to fraction form
   10,126.27/20,753.72 = 20,753.72/x
3. Step 3: Cross multiply
   10,126.27x = 20,753.72 × 20,753.72
4. Step 4: Simplify right side
   10,126.27x = 430,716,841.95
5. Step 5: Solve for x
   x = 430,716,841.95/10,126.27
6. Step 6: Final answer
   x = 42,534.62