Finding the Third Proportional to 17,560 and 38,407

Step by Step Solution

1. Step 1: Write the proportion equation
   17,560 : 38,407 = 38,407 : x
2. Step 2: Convert to fraction form
   17,560/38,407 = 38,407/x
3. Step 3: Cross multiply
   17,560x = 38,407 × 38,407
4. Step 4: Simplify right side
   17,560x = 1,475,097,649
5. Step 5: Solve for x
   x = 1,475,097,649/17,560
6. Step 6: Final answer
   x = 84,003.28