Finding the Third Proportional to 815,900 and 1,146,936

Step by Step Solution

1. Step 1: Write the proportion equation
   815,900 : 1,146,936 = 1,146,936 : x
2. Step 2: Convert to fraction form
   815,900/1,146,936 = 1,146,936/x
3. Step 3: Cross multiply
   815,900x = 1,146,936 × 1,146,936
4. Step 4: Simplify right side
   815,900x = 1,315,462,188,096
5. Step 5: Solve for x
   x = 1,315,462,188,096/815,900
6. Step 6: Final answer
   x = 1,612,283.60