Finding the Third Proportional to 887,030 and 1,389,888

Step by Step Solution

1. Step 1: Write the proportion equation
   887,030 : 1,389,888 = 1,389,888 : x
2. Step 2: Convert to fraction form
   887,030/1,389,888 = 1,389,888/x
3. Step 3: Cross multiply
   887,030x = 1,389,888 × 1,389,888
4. Step 4: Simplify right side
   887,030x = 1,931,788,652,544
5. Step 5: Solve for x
   x = 1,931,788,652,544/887,030
6. Step 6: Final answer
   x = 2,177,816.59