Finding the Third Proportional to 1,819,920 and 2,854,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819,920 : 2,854,656 = 2,854,656 : x
2. Step 2: Convert to fraction form
   1,819,920/2,854,656 = 2,854,656/x
3. Step 3: Cross multiply
   1,819,920x = 2,854,656 × 2,854,656
4. Step 4: Simplify right side
   1,819,920x = 8,149,060,878,336
5. Step 5: Solve for x
   x = 8,149,060,878,336/1,819,920
6. Step 6: Final answer
   x = 4,477,702.80