Finding the Third Proportional to 2,798,476 and 4,321,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798,476 : 4,321,392 = 4,321,392 : x
2. Step 2: Convert to fraction form
   2,798,476/4,321,392 = 4,321,392/x
3. Step 3: Cross multiply
   2,798,476x = 4,321,392 × 4,321,392
4. Step 4: Simplify right side
   2,798,476x = 18,674,428,817,664
5. Step 5: Solve for x
   x = 18,674,428,817,664/2,798,476
6. Step 6: Final answer
   x = 6,673,070.92