Finding the Third Proportional to 560,870 and 1,216,876

Step by Step Solution

1. Step 1: Write the proportion equation
   560,870 : 1,216,876 = 1,216,876 : x
2. Step 2: Convert to fraction form
   560,870/1,216,876 = 1,216,876/x
3. Step 3: Cross multiply
   560,870x = 1,216,876 × 1,216,876
4. Step 4: Simplify right side
   560,870x = 1,480,787,199,376
5. Step 5: Solve for x
   x = 1,480,787,199,376/560,870
6. Step 6: Final answer
   x = 2,640,161.18