Finding the Third Proportional to 1,121,806 and 1,682,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,806 : 1,682,230 = 1,682,230 : x
2. Step 2: Convert to fraction form
   1,121,806/1,682,230 = 1,682,230/x
3. Step 3: Cross multiply
   1,121,806x = 1,682,230 × 1,682,230
4. Step 4: Simplify right side
   1,121,806x = 2,829,897,772,900
5. Step 5: Solve for x
   x = 2,829,897,772,900/1,121,806
6. Step 6: Final answer
   x = 2,522,626.70