Finding the Third Proportional to 512,684 and 1,121,860

Step by Step Solution

1. Step 1: Write the proportion equation
   512,684 : 1,121,860 = 1,121,860 : x
2. Step 2: Convert to fraction form
   512,684/1,121,860 = 1,121,860/x
3. Step 3: Cross multiply
   512,684x = 1,121,860 × 1,121,860
4. Step 4: Simplify right side
   512,684x = 1,258,569,859,600
5. Step 5: Solve for x
   x = 1,258,569,859,600/512,684
6. Step 6: Final answer
   x = 2,454,864.71