Finding the Third Proportional to 584,868 and 1,215,690

Step by Step Solution

1. Step 1: Write the proportion equation
   584,868 : 1,215,690 = 1,215,690 : x
2. Step 2: Convert to fraction form
   584,868/1,215,690 = 1,215,690/x
3. Step 3: Cross multiply
   584,868x = 1,215,690 × 1,215,690
4. Step 4: Simplify right side
   584,868x = 1,477,902,176,100
5. Step 5: Solve for x
   x = 1,477,902,176,100/584,868
6. Step 6: Final answer
   x = 2,526,898.68