Finding the Third Proportional to 13,850 and 30,470

Step by Step Solution

1. Step 1: Write the proportion equation
   13,850 : 30,470 = 30,470 : x
2. Step 2: Convert to fraction form
   13,850/30,470 = 30,470/x
3. Step 3: Cross multiply
   13,850x = 30,470 × 30,470
4. Step 4: Simplify right side
   13,850x = 928,420,900
5. Step 5: Solve for x
   x = 928,420,900/13,850
6. Step 6: Final answer
   x = 67,034