Finding the Third Proportional to 1,355,632 and 2,677,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,632 : 2,677,240 = 2,677,240 : x
2. Step 2: Convert to fraction form
   1,355,632/2,677,240 = 2,677,240/x
3. Step 3: Cross multiply
   1,355,632x = 2,677,240 × 2,677,240
4. Step 4: Simplify right side
   1,355,632x = 7,167,614,017,600
5. Step 5: Solve for x
   x = 7,167,614,017,600/1,355,632
6. Step 6: Final answer
   x = 5,287,285.94