Finding the Third Proportional to 1,990,909 and 3,074,377

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,909 : 3,074,377 = 3,074,377 : x
2. Step 2: Convert to fraction form
   1,990,909/3,074,377 = 3,074,377/x
3. Step 3: Cross multiply
   1,990,909x = 3,074,377 × 3,074,377
4. Step 4: Simplify right side
   1,990,909x = 9,451,793,938,129
5. Step 5: Solve for x
   x = 9,451,793,938,129/1,990,909
6. Step 6: Final answer
   x = 4,747,476.62