Finding the Third Proportional to 17,810 and 25,315

Step by Step Solution

1. Step 1: Write the proportion equation
   17,810 : 25,315 = 25,315 : x
2. Step 2: Convert to fraction form
   17,810/25,315 = 25,315/x
3. Step 3: Cross multiply
   17,810x = 25,315 × 25,315
4. Step 4: Simplify right side
   17,810x = 640,849,225
5. Step 5: Solve for x
   x = 640,849,225/17,810
6. Step 6: Final answer
   x = 35,982.55