Finding the Third Proportional to 217,044.56 and 465,238.69

Step by Step Solution

1. Step 1: Write the proportion equation
   217,044.56 : 465,238.69 = 465,238.69 : x
2. Step 2: Convert to fraction form
   217,044.56/465,238.69 = 465,238.69/x
3. Step 3: Cross multiply
   217,044.56x = 465,238.69 × 465,238.69
4. Step 4: Simplify right side
   217,044.56x = 216,447,036,346.72
5. Step 5: Solve for x
   x = 216,447,036,346.72/217,044.56
6. Step 6: Final answer
   x = 997,246.99