Finding the Third Proportional to 5,677,638 and 12,454,470

Step by Step Solution

1. Step 1: Write the proportion equation
   5,677,638 : 12,454,470 = 12,454,470 : x
2. Step 2: Convert to fraction form
   5,677,638/12,454,470 = 12,454,470/x
3. Step 3: Cross multiply
   5,677,638x = 12,454,470 × 12,454,470
4. Step 4: Simplify right side
   5,677,638x = 155,113,822,980,900
5. Step 5: Solve for x
   x = 155,113,822,980,900/5,677,638
6. Step 6: Final answer
   x = 27,320,132.59