Finding the Third Proportional to 1,247,886 and 1,974,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,886 : 1,974,266 = 1,974,266 : x
2. Step 2: Convert to fraction form
   1,247,886/1,974,266 = 1,974,266/x
3. Step 3: Cross multiply
   1,247,886x = 1,974,266 × 1,974,266
4. Step 4: Simplify right side
   1,247,886x = 3,897,726,238,756
5. Step 5: Solve for x
   x = 3,897,726,238,756/1,247,886
6. Step 6: Final answer
   x = 3,123,463.39