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

Step by Step Solution

1. Step 1: Write the proportion equation
   887,030 : 1,389,887 = 1,389,887 : x
2. Step 2: Convert to fraction form
   887,030/1,389,887 = 1,389,887/x
3. Step 3: Cross multiply
   887,030x = 1,389,887 × 1,389,887
4. Step 4: Simplify right side
   887,030x = 1,931,785,872,769
5. Step 5: Solve for x
   x = 1,931,785,872,769/887,030
6. Step 6: Final answer
   x = 2,177,813.46