Finding the Third Proportional to 1,167,678 and 2,565,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,678 : 2,565,396 = 2,565,396 : x
2. Step 2: Convert to fraction form
   1,167,678/2,565,396 = 2,565,396/x
3. Step 3: Cross multiply
   1,167,678x = 2,565,396 × 2,565,396
4. Step 4: Simplify right side
   1,167,678x = 6,581,256,636,816
5. Step 5: Solve for x
   x = 6,581,256,636,816/1,167,678
6. Step 6: Final answer
   x = 5,636,191.34