Finding the Third Proportional to 887,042 and 1,389,904

Step by Step Solution

1. Step 1: Write the proportion equation
   887,042 : 1,389,904 = 1,389,904 : x
2. Step 2: Convert to fraction form
   887,042/1,389,904 = 1,389,904/x
3. Step 3: Cross multiply
   887,042x = 1,389,904 × 1,389,904
4. Step 4: Simplify right side
   887,042x = 1,931,833,129,216
5. Step 5: Solve for x
   x = 1,931,833,129,216/887,042
6. Step 6: Final answer
   x = 2,177,837.27