Finding the Third Proportional to 887,020 and 1,389,872

Step by Step Solution

1. Step 1: Write the proportion equation
   887,020 : 1,389,872 = 1,389,872 : x
2. Step 2: Convert to fraction form
   887,020/1,389,872 = 1,389,872/x
3. Step 3: Cross multiply
   887,020x = 1,389,872 × 1,389,872
4. Step 4: Simplify right side
   887,020x = 1,931,744,176,384
5. Step 5: Solve for x
   x = 1,931,744,176,384/887,020
6. Step 6: Final answer
   x = 2,177,791.00