Finding the Third Proportional to 10,118.13 and 20,737.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.13 : 20,737.25 = 20,737.25 : x
2. Step 2: Convert to fraction form
   10,118.13/20,737.25 = 20,737.25/x
3. Step 3: Cross multiply
   10,118.13x = 20,737.25 × 20,737.25
4. Step 4: Simplify right side
   10,118.13x = 430,033,537.56
5. Step 5: Solve for x
   x = 430,033,537.56/10,118.13
6. Step 6: Final answer
   x = 42,501.31