Finding the Third Proportional to 1,386,647 and 2,980,252

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,647 : 2,980,252 = 2,980,252 : x
2. Step 2: Convert to fraction form
   1,386,647/2,980,252 = 2,980,252/x
3. Step 3: Cross multiply
   1,386,647x = 2,980,252 × 2,980,252
4. Step 4: Simplify right side
   1,386,647x = 8,881,901,983,504
5. Step 5: Solve for x
   x = 8,881,901,983,504/1,386,647
6. Step 6: Final answer
   x = 6,405,308.62