Finding the Third Proportional to 199,869 and 425,632

Step by Step Solution

1. Step 1: Write the proportion equation
   199,869 : 425,632 = 425,632 : x
2. Step 2: Convert to fraction form
   199,869/425,632 = 425,632/x
3. Step 3: Cross multiply
   199,869x = 425,632 × 425,632
4. Step 4: Simplify right side
   199,869x = 181,162,599,424
5. Step 5: Solve for x
   x = 181,162,599,424/199,869
6. Step 6: Final answer
   x = 906,406.69