Finding the Third Proportional to 2,866,264 and 4,284,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866,264 : 4,284,420 = 4,284,420 : x
2. Step 2: Convert to fraction form
   2,866,264/4,284,420 = 4,284,420/x
3. Step 3: Cross multiply
   2,866,264x = 4,284,420 × 4,284,420
4. Step 4: Simplify right side
   2,866,264x = 18,356,254,736,400
5. Step 5: Solve for x
   x = 18,356,254,736,400/2,866,264
6. Step 6: Final answer
   x = 6,404,244.25