Finding the Third Proportional to 887,037 and 1,389,897

Step by Step Solution

1. Step 1: Write the proportion equation
   887,037 : 1,389,897 = 1,389,897 : x
2. Step 2: Convert to fraction form
   887,037/1,389,897 = 1,389,897/x
3. Step 3: Cross multiply
   887,037x = 1,389,897 × 1,389,897
4. Step 4: Simplify right side
   887,037x = 1,931,813,670,609
5. Step 5: Solve for x
   x = 1,931,813,670,609/887,037
6. Step 6: Final answer
   x = 2,177,827.61