Finding the Third Proportional to 25,985 and 40,499

Step by Step Solution

1. Step 1: Write the proportion equation
   25,985 : 40,499 = 40,499 : x
2. Step 2: Convert to fraction form
   25,985/40,499 = 40,499/x
3. Step 3: Cross multiply
   25,985x = 40,499 × 40,499
4. Step 4: Simplify right side
   25,985x = 1,640,169,001
5. Step 5: Solve for x
   x = 1,640,169,001/25,985
6. Step 6: Final answer
   x = 63,119.84