Finding the Third Proportional to 219,866 and 481,812

Step by Step Solution

1. Step 1: Write the proportion equation
   219,866 : 481,812 = 481,812 : x
2. Step 2: Convert to fraction form
   219,866/481,812 = 481,812/x
3. Step 3: Cross multiply
   219,866x = 481,812 × 481,812
4. Step 4: Simplify right side
   219,866x = 232,142,803,344
5. Step 5: Solve for x
   x = 232,142,803,344/219,866
6. Step 6: Final answer
   x = 1,055,837.66