Finding the Third Proportional to 887,790 and 1,391,184

Step by Step Solution

1. Step 1: Write the proportion equation
   887,790 : 1,391,184 = 1,391,184 : x
2. Step 2: Convert to fraction form
   887,790/1,391,184 = 1,391,184/x
3. Step 3: Cross multiply
   887,790x = 1,391,184 × 1,391,184
4. Step 4: Simplify right side
   887,790x = 1,935,392,921,856
5. Step 5: Solve for x
   x = 1,935,392,921,856/887,790
6. Step 6: Final answer
   x = 2,180,012.08