Finding the Third Proportional to 860,404 and 1,336,626

Step by Step Solution

1. Step 1: Write the proportion equation
   860,404 : 1,336,626 = 1,336,626 : x
2. Step 2: Convert to fraction form
   860,404/1,336,626 = 1,336,626/x
3. Step 3: Cross multiply
   860,404x = 1,336,626 × 1,336,626
4. Step 4: Simplify right side
   860,404x = 1,786,569,063,876
5. Step 5: Solve for x
   x = 1,786,569,063,876/860,404
6. Step 6: Final answer
   x = 2,076,430.45