Finding the Third Proportional to 8,617,484 and 12,759,836

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,484 : 12,759,836 = 12,759,836 : x
2. Step 2: Convert to fraction form
   8,617,484/12,759,836 = 12,759,836/x
3. Step 3: Cross multiply
   8,617,484x = 12,759,836 × 12,759,836
4. Step 4: Simplify right side
   8,617,484x = 162,813,414,746,896
5. Step 5: Solve for x
   x = 162,813,414,746,896/8,617,484
6. Step 6: Final answer
   x = 18,893,381.73