Finding the Third Proportional to 17,415 and 38,070

Step by Step Solution

1. Step 1: Write the proportion equation
   17,415 : 38,070 = 38,070 : x
2. Step 2: Convert to fraction form
   17,415/38,070 = 38,070/x
3. Step 3: Cross multiply
   17,415x = 38,070 × 38,070
4. Step 4: Simplify right side
   17,415x = 1,449,324,900
5. Step 5: Solve for x
   x = 1,449,324,900/17,415
6. Step 6: Final answer
   x = 83,222.79