Finding the Third Proportional to 860,392 and 1,336,608

Step by Step Solution

1. Step 1: Write the proportion equation
   860,392 : 1,336,608 = 1,336,608 : x
2. Step 2: Convert to fraction form
   860,392/1,336,608 = 1,336,608/x
3. Step 3: Cross multiply
   860,392x = 1,336,608 × 1,336,608
4. Step 4: Simplify right side
   860,392x = 1,786,520,945,664
5. Step 5: Solve for x
   x = 1,786,520,945,664/860,392
6. Step 6: Final answer
   x = 2,076,403.48