Finding the Third Proportional to 225,664 and 491,808

Step by Step Solution

1. Step 1: Write the proportion equation
   225,664 : 491,808 = 491,808 : x
2. Step 2: Convert to fraction form
   225,664/491,808 = 491,808/x
3. Step 3: Cross multiply
   225,664x = 491,808 × 491,808
4. Step 4: Simplify right side
   225,664x = 241,875,108,864
5. Step 5: Solve for x
   x = 241,875,108,864/225,664
6. Step 6: Final answer
   x = 1,071,837.37