Finding the Third Proportional to 491,664 and 1,072,320

Step by Step Solution

1. Step 1: Write the proportion equation
   491,664 : 1,072,320 = 1,072,320 : x
2. Step 2: Convert to fraction form
   491,664/1,072,320 = 1,072,320/x
3. Step 3: Cross multiply
   491,664x = 1,072,320 × 1,072,320
4. Step 4: Simplify right side
   491,664x = 1,149,870,182,400
5. Step 5: Solve for x
   x = 1,149,870,182,400/491,664
6. Step 6: Final answer
   x = 2,338,731.70