Finding the Third Proportional to 1,316,168 and 1,990,452

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316,168 : 1,990,452 = 1,990,452 : x
2. Step 2: Convert to fraction form
   1,316,168/1,990,452 = 1,990,452/x
3. Step 3: Cross multiply
   1,316,168x = 1,990,452 × 1,990,452
4. Step 4: Simplify right side
   1,316,168x = 3,961,899,164,304
5. Step 5: Solve for x
   x = 3,961,899,164,304/1,316,168
6. Step 6: Final answer
   x = 3,010,177.40