Finding the Third Proportional to 2,872,479 and 4,368,402

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872,479 : 4,368,402 = 4,368,402 : x
2. Step 2: Convert to fraction form
   2,872,479/4,368,402 = 4,368,402/x
3. Step 3: Cross multiply
   2,872,479x = 4,368,402 × 4,368,402
4. Step 4: Simplify right side
   2,872,479x = 19,082,936,033,604
5. Step 5: Solve for x
   x = 19,082,936,033,604/2,872,479
6. Step 6: Final answer
   x = 6,643,368.34