Finding the Third Proportional to 1,687,874 and 2,411,931

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,874 : 2,411,931 = 2,411,931 : x
2. Step 2: Convert to fraction form
   1,687,874/2,411,931 = 2,411,931/x
3. Step 3: Cross multiply
   1,687,874x = 2,411,931 × 2,411,931
4. Step 4: Simplify right side
   1,687,874x = 5,817,411,148,761
5. Step 5: Solve for x
   x = 5,817,411,148,761/1,687,874
6. Step 6: Final answer
   x = 3,446,590.89