Finding the Third Proportional to 219,604.50 and 458,271

Step by Step Solution

1. Step 1: Write the proportion equation
   219,604.50 : 458,271 = 458,271 : x
2. Step 2: Convert to fraction form
   219,604.50/458,271 = 458,271/x
3. Step 3: Cross multiply
   219,604.50x = 458,271 × 458,271
4. Step 4: Simplify right side
   219,604.50x = 210,012,309,441
5. Step 5: Solve for x
   x = 210,012,309,441/219,604.50
6. Step 6: Final answer
   x = 956,320.61