Finding the Third Proportional to 677,674 and 1,411,490

Step by Step Solution

1. Step 1: Write the proportion equation
   677,674 : 1,411,490 = 1,411,490 : x
2. Step 2: Convert to fraction form
   677,674/1,411,490 = 1,411,490/x
3. Step 3: Cross multiply
   677,674x = 1,411,490 × 1,411,490
4. Step 4: Simplify right side
   677,674x = 1,992,304,020,100
5. Step 5: Solve for x
   x = 1,992,304,020,100/677,674
6. Step 6: Final answer
   x = 2,939,915.09