Finding the Third Proportional to 1,297,623 and 2,839,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297,623 : 2,839,624 = 2,839,624 : x
2. Step 2: Convert to fraction form
   1,297,623/2,839,624 = 2,839,624/x
3. Step 3: Cross multiply
   1,297,623x = 2,839,624 × 2,839,624
4. Step 4: Simplify right side
   1,297,623x = 8,063,464,461,376
5. Step 5: Solve for x
   x = 8,063,464,461,376/1,297,623
6. Step 6: Final answer
   x = 6,214,027.08