Finding the Third Proportional to 17,913.75 and 38,939.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,913.75 : 38,939.25 = 38,939.25 : x
2. Step 2: Convert to fraction form
   17,913.75/38,939.25 = 38,939.25/x
3. Step 3: Cross multiply
   17,913.75x = 38,939.25 × 38,939.25
4. Step 4: Simplify right side
   17,913.75x = 1,516,265,190.56
5. Step 5: Solve for x
   x = 1,516,265,190.56/17,913.75
6. Step 6: Final answer
   x = 84,642.53