Finding the Third Proportional to 815,877 and 1,146,905

Step by Step Solution

1. Step 1: Write the proportion equation
   815,877 : 1,146,905 = 1,146,905 : x
2. Step 2: Convert to fraction form
   815,877/1,146,905 = 1,146,905/x
3. Step 3: Cross multiply
   815,877x = 1,146,905 × 1,146,905
4. Step 4: Simplify right side
   815,877x = 1,315,391,079,025
5. Step 5: Solve for x
   x = 1,315,391,079,025/815,877
6. Step 6: Final answer
   x = 1,612,241.89