Finding the Third Proportional to 1,338,864 and 2,949,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,864 : 2,949,328 = 2,949,328 : x
2. Step 2: Convert to fraction form
   1,338,864/2,949,328 = 2,949,328/x
3. Step 3: Cross multiply
   1,338,864x = 2,949,328 × 2,949,328
4. Step 4: Simplify right side
   1,338,864x = 8,698,535,651,584
5. Step 5: Solve for x
   x = 8,698,535,651,584/1,338,864
6. Step 6: Final answer
   x = 6,496,952.38