Finding the Third Proportional to 1,114,920 and 1,682,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,920 : 1,682,820 = 1,682,820 : x
2. Step 2: Convert to fraction form
   1,114,920/1,682,820 = 1,682,820/x
3. Step 3: Cross multiply
   1,114,920x = 1,682,820 × 1,682,820
4. Step 4: Simplify right side
   1,114,920x = 2,831,883,152,400
5. Step 5: Solve for x
   x = 2,831,883,152,400/1,114,920
6. Step 6: Final answer
   x = 2,539,987.76