Finding the Third Proportional to 1,998,210 and 2,997,379

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998,210 : 2,997,379 = 2,997,379 : x
2. Step 2: Convert to fraction form
   1,998,210/2,997,379 = 2,997,379/x
3. Step 3: Cross multiply
   1,998,210x = 2,997,379 × 2,997,379
4. Step 4: Simplify right side
   1,998,210x = 8,984,280,869,641
5. Step 5: Solve for x
   x = 8,984,280,869,641/1,998,210
6. Step 6: Final answer
   x = 4,496,164.50