Finding the Third Proportional to 1,118,928 and 1,687,682

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,928 : 1,687,682 = 1,687,682 : x
2. Step 2: Convert to fraction form
   1,118,928/1,687,682 = 1,687,682/x
3. Step 3: Cross multiply
   1,118,928x = 1,687,682 × 1,687,682
4. Step 4: Simplify right side
   1,118,928x = 2,848,270,533,124
5. Step 5: Solve for x
   x = 2,848,270,533,124/1,118,928
6. Step 6: Final answer
   x = 2,545,535.13