Finding the Third Proportional to 18,407 and 39,002

Step by Step Solution

1. Step 1: Write the proportion equation
   18,407 : 39,002 = 39,002 : x
2. Step 2: Convert to fraction form
   18,407/39,002 = 39,002/x
3. Step 3: Cross multiply
   18,407x = 39,002 × 39,002
4. Step 4: Simplify right side
   18,407x = 1,521,156,004
5. Step 5: Solve for x
   x = 1,521,156,004/18,407
6. Step 6: Final answer
   x = 82,640.08