Finding the Third Proportional to 2,428,278 and 3,563,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,278 : 3,563,684 = 3,563,684 : x
2. Step 2: Convert to fraction form
   2,428,278/3,563,684 = 3,563,684/x
3. Step 3: Cross multiply
   2,428,278x = 3,563,684 × 3,563,684
4. Step 4: Simplify right side
   2,428,278x = 12,699,843,651,856
5. Step 5: Solve for x
   x = 12,699,843,651,856/2,428,278
6. Step 6: Final answer
   x = 5,229,979.29