Finding the Third Proportional to 2,168,064 and 3,220,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,064 : 3,220,656 = 3,220,656 : x
2. Step 2: Convert to fraction form
   2,168,064/3,220,656 = 3,220,656/x
3. Step 3: Cross multiply
   2,168,064x = 3,220,656 × 3,220,656
4. Step 4: Simplify right side
   2,168,064x = 10,372,625,070,336
5. Step 5: Solve for x
   x = 10,372,625,070,336/2,168,064
6. Step 6: Final answer
   x = 4,784,279.92