Finding the Third Proportional to 1,204,470 and 1,866,105

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,470 : 1,866,105 = 1,866,105 : x
2. Step 2: Convert to fraction form
   1,204,470/1,866,105 = 1,866,105/x
3. Step 3: Cross multiply
   1,204,470x = 1,866,105 × 1,866,105
4. Step 4: Simplify right side
   1,204,470x = 3,482,347,871,025
5. Step 5: Solve for x
   x = 3,482,347,871,025/1,204,470
6. Step 6: Final answer
   x = 2,891,186.89