Finding the Third Proportional to 851,692 and 1,843,640

Step by Step Solution

1. Step 1: Write the proportion equation
   851,692 : 1,843,640 = 1,843,640 : x
2. Step 2: Convert to fraction form
   851,692/1,843,640 = 1,843,640/x
3. Step 3: Cross multiply
   851,692x = 1,843,640 × 1,843,640
4. Step 4: Simplify right side
   851,692x = 3,399,008,449,600
5. Step 5: Solve for x
   x = 3,399,008,449,600/851,692
6. Step 6: Final answer
   x = 3,990,889.25