Finding the Third Proportional to 2,798,490 and 4,321,411

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798,490 : 4,321,411 = 4,321,411 : x
2. Step 2: Convert to fraction form
   2,798,490/4,321,411 = 4,321,411/x
3. Step 3: Cross multiply
   2,798,490x = 4,321,411 × 4,321,411
4. Step 4: Simplify right side
   2,798,490x = 18,674,593,030,921
5. Step 5: Solve for x
   x = 18,674,593,030,921/2,798,490
6. Step 6: Final answer
   x = 6,673,096.22