Finding the Third Proportional to 815,886 and 1,146,917

Step by Step Solution

1. Step 1: Write the proportion equation
   815,886 : 1,146,917 = 1,146,917 : x
2. Step 2: Convert to fraction form
   815,886/1,146,917 = 1,146,917/x
3. Step 3: Cross multiply
   815,886x = 1,146,917 × 1,146,917
4. Step 4: Simplify right side
   815,886x = 1,315,418,604,889
5. Step 5: Solve for x
   x = 1,315,418,604,889/815,886
6. Step 6: Final answer
   x = 1,612,257.85