Finding the Third Proportional to 1,678,386 and 2,531,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,386 : 2,531,514 = 2,531,514 : x
2. Step 2: Convert to fraction form
   1,678,386/2,531,514 = 2,531,514/x
3. Step 3: Cross multiply
   1,678,386x = 2,531,514 × 2,531,514
4. Step 4: Simplify right side
   1,678,386x = 6,408,563,132,196
5. Step 5: Solve for x
   x = 6,408,563,132,196/1,678,386
6. Step 6: Final answer
   x = 3,818,289.20