Finding the Third Proportional to 213,282 and 493,758

Step by Step Solution

1. Step 1: Write the proportion equation
   213,282 : 493,758 = 493,758 : x
2. Step 2: Convert to fraction form
   213,282/493,758 = 493,758/x
3. Step 3: Cross multiply
   213,282x = 493,758 × 493,758
4. Step 4: Simplify right side
   213,282x = 243,796,962,564
5. Step 5: Solve for x
   x = 243,796,962,564/213,282
6. Step 6: Final answer
   x = 1,143,073.31