Finding the Third Proportional to 28,415 and 38,470

Step by Step Solution

1. Step 1: Write the proportion equation
   28,415 : 38,470 = 38,470 : x
2. Step 2: Convert to fraction form
   28,415/38,470 = 38,470/x
3. Step 3: Cross multiply
   28,415x = 38,470 × 38,470
4. Step 4: Simplify right side
   28,415x = 1,479,940,900
5. Step 5: Solve for x
   x = 1,479,940,900/28,415
6. Step 6: Final answer
   x = 52,083.09