Finding the Third Proportional to 219,574.50 and 479,310

Step by Step Solution

1. Step 1: Write the proportion equation
   219,574.50 : 479,310 = 479,310 : x
2. Step 2: Convert to fraction form
   219,574.50/479,310 = 479,310/x
3. Step 3: Cross multiply
   219,574.50x = 479,310 × 479,310
4. Step 4: Simplify right side
   219,574.50x = 229,738,076,100
5. Step 5: Solve for x
   x = 229,738,076,100/219,574.50
6. Step 6: Final answer
   x = 1,046,287.60