Finding the Third Proportional to 1,386,836 and 2,983,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,836 : 2,983,624 = 2,983,624 : x
2. Step 2: Convert to fraction form
   1,386,836/2,983,624 = 2,983,624/x
3. Step 3: Cross multiply
   1,386,836x = 2,983,624 × 2,983,624
4. Step 4: Simplify right side
   1,386,836x = 8,902,012,173,376
5. Step 5: Solve for x
   x = 8,902,012,173,376/1,386,836
6. Step 6: Final answer
   x = 6,418,936.47