Finding the Third Proportional to 219,615 and 479,506.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,615 : 479,506.50 = 479,506.50 : x
2. Step 2: Convert to fraction form
   219,615/479,506.50 = 479,506.50/x
3. Step 3: Cross multiply
   219,615x = 479,506.50 × 479,506.50
4. Step 4: Simplify right side
   219,615x = 229,926,483,542.25
5. Step 5: Solve for x
   x = 229,926,483,542.25/219,615
6. Step 6: Final answer
   x = 1,046,952.55