Finding the Third Proportional to 3,208,776 and 4,813,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,208,776 : 4,813,872 = 4,813,872 : x
2. Step 2: Convert to fraction form
   3,208,776/4,813,872 = 4,813,872/x
3. Step 3: Cross multiply
   3,208,776x = 4,813,872 × 4,813,872
4. Step 4: Simplify right side
   3,208,776x = 23,173,363,632,384
5. Step 5: Solve for x
   x = 23,173,363,632,384/3,208,776
6. Step 6: Final answer
   x = 7,221,870.16