Finding the Third Proportional to 1,123,442 and 1,722,702

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,442 : 1,722,702 = 1,722,702 : x
2. Step 2: Convert to fraction form
   1,123,442/1,722,702 = 1,722,702/x
3. Step 3: Cross multiply
   1,123,442x = 1,722,702 × 1,722,702
4. Step 4: Simplify right side
   1,123,442x = 2,967,702,180,804
5. Step 5: Solve for x
   x = 2,967,702,180,804/1,123,442
6. Step 6: Final answer
   x = 2,641,615.84