Finding the Third Proportional to 1,247,867 and 1,916,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,867 : 1,916,876 = 1,916,876 : x
2. Step 2: Convert to fraction form
   1,247,867/1,916,876 = 1,916,876/x
3. Step 3: Cross multiply
   1,247,867x = 1,916,876 × 1,916,876
4. Step 4: Simplify right side
   1,247,867x = 3,674,413,599,376
5. Step 5: Solve for x
   x = 3,674,413,599,376/1,247,867
6. Step 6: Final answer
   x = 2,944,555.47