Finding the Third Proportional to 584,872 and 1,215,698

Step by Step Solution

1. Step 1: Write the proportion equation
   584,872 : 1,215,698 = 1,215,698 : x
2. Step 2: Convert to fraction form
   584,872/1,215,698 = 1,215,698/x
3. Step 3: Cross multiply
   584,872x = 1,215,698 × 1,215,698
4. Step 4: Simplify right side
   584,872x = 1,477,921,627,204
5. Step 5: Solve for x
   x = 1,477,921,627,204/584,872
6. Step 6: Final answer
   x = 2,526,914.65