Finding the Third Proportional to 10,124.25 and 20,653.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.25 : 20,653.13 = 20,653.13 : x
2. Step 2: Convert to fraction form
   10,124.25/20,653.13 = 20,653.13/x
3. Step 3: Cross multiply
   10,124.25x = 20,653.13 × 20,653.13
4. Step 4: Simplify right side
   10,124.25x = 426,551,572.27
5. Step 5: Solve for x
   x = 426,551,572.27/10,124.25
6. Step 6: Final answer
   x = 42,131.67