Finding the Third Proportional to 1,356,644 and 2,949,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,644 : 2,949,485 = 2,949,485 : x
2. Step 2: Convert to fraction form
   1,356,644/2,949,485 = 2,949,485/x
3. Step 3: Cross multiply
   1,356,644x = 2,949,485 × 2,949,485
4. Step 4: Simplify right side
   1,356,644x = 8,699,461,765,225
5. Step 5: Solve for x
   x = 8,699,461,765,225/1,356,644
6. Step 6: Final answer
   x = 6,412,486.82