Finding the Third Proportional to 23,388.75 and 31,438.13

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.75 : 31,438.13 = 31,438.13 : x
2. Step 2: Convert to fraction form
   23,388.75/31,438.13 = 31,438.13/x
3. Step 3: Cross multiply
   23,388.75x = 31,438.13 × 31,438.13
4. Step 4: Simplify right side
   23,388.75x = 988,355,703.52
5. Step 5: Solve for x
   x = 988,355,703.52/23,388.75
6. Step 6: Final answer
   x = 42,257.74