Finding the Third Proportional to 1,228,632 and 2,555,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,632 : 2,555,356 = 2,555,356 : x
2. Step 2: Convert to fraction form
   1,228,632/2,555,356 = 2,555,356/x
3. Step 3: Cross multiply
   1,228,632x = 2,555,356 × 2,555,356
4. Step 4: Simplify right side
   1,228,632x = 6,529,844,286,736
5. Step 5: Solve for x
   x = 6,529,844,286,736/1,228,632
6. Step 6: Final answer
   x = 5,314,727.51