Finding the Third Proportional to 815,784 and 1,146,756

Step by Step Solution

1. Step 1: Write the proportion equation
   815,784 : 1,146,756 = 1,146,756 : x
2. Step 2: Convert to fraction form
   815,784/1,146,756 = 1,146,756/x
3. Step 3: Cross multiply
   815,784x = 1,146,756 × 1,146,756
4. Step 4: Simplify right side
   815,784x = 1,315,049,323,536
5. Step 5: Solve for x
   x = 1,315,049,323,536/815,784
6. Step 6: Final answer
   x = 1,612,006.76