Finding the Third Proportional to 860,388 and 1,336,602

Step by Step Solution

1. Step 1: Write the proportion equation
   860,388 : 1,336,602 = 1,336,602 : x
2. Step 2: Convert to fraction form
   860,388/1,336,602 = 1,336,602/x
3. Step 3: Cross multiply
   860,388x = 1,336,602 × 1,336,602
4. Step 4: Simplify right side
   860,388x = 1,786,504,906,404
5. Step 5: Solve for x
   x = 1,786,504,906,404/860,388
6. Step 6: Final answer
   x = 2,076,394.49