Finding the Third Proportional to 213,040.50 and 464,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   213,040.50 : 464,215.50 = 464,215.50 : x
2. Step 2: Convert to fraction form
   213,040.50/464,215.50 = 464,215.50/x
3. Step 3: Cross multiply
   213,040.50x = 464,215.50 × 464,215.50
4. Step 4: Simplify right side
   213,040.50x = 215,496,030,440.25
5. Step 5: Solve for x
   x = 215,496,030,440.25/213,040.50
6. Step 6: Final answer
   x = 1,011,526.12