Finding the Third Proportional to 886,154 and 1,328,906

Step by Step Solution

1. Step 1: Write the proportion equation
   886,154 : 1,328,906 = 1,328,906 : x
2. Step 2: Convert to fraction form
   886,154/1,328,906 = 1,328,906/x
3. Step 3: Cross multiply
   886,154x = 1,328,906 × 1,328,906
4. Step 4: Simplify right side
   886,154x = 1,765,991,156,836
5. Step 5: Solve for x
   x = 1,765,991,156,836/886,154
6. Step 6: Final answer
   x = 1,992,871.62