Finding the Third Proportional to 603,818 and 1,233,853

Step by Step Solution

1. Step 1: Write the proportion equation
   603,818 : 1,233,853 = 1,233,853 : x
2. Step 2: Convert to fraction form
   603,818/1,233,853 = 1,233,853/x
3. Step 3: Cross multiply
   603,818x = 1,233,853 × 1,233,853
4. Step 4: Simplify right side
   603,818x = 1,522,393,225,609
5. Step 5: Solve for x
   x = 1,522,393,225,609/603,818
6. Step 6: Final answer
   x = 2,521,278.31