Finding the Third Proportional to 851,688 and 1,843,632

Step by Step Solution

1. Step 1: Write the proportion equation
   851,688 : 1,843,632 = 1,843,632 : x
2. Step 2: Convert to fraction form
   851,688/1,843,632 = 1,843,632/x
3. Step 3: Cross multiply
   851,688x = 1,843,632 × 1,843,632
4. Step 4: Simplify right side
   851,688x = 3,398,978,951,424
5. Step 5: Solve for x
   x = 3,398,978,951,424/851,688
6. Step 6: Final answer
   x = 3,990,873.36