Finding the Third Proportional to 860,673 and 1,891,200

Step by Step Solution

1. Step 1: Write the proportion equation
   860,673 : 1,891,200 = 1,891,200 : x
2. Step 2: Convert to fraction form
   860,673/1,891,200 = 1,891,200/x
3. Step 3: Cross multiply
   860,673x = 1,891,200 × 1,891,200
4. Step 4: Simplify right side
   860,673x = 3,576,637,440,000
5. Step 5: Solve for x
   x = 3,576,637,440,000/860,673
6. Step 6: Final answer
   x = 4,155,628.72