Finding the Third Proportional to 219,648 and 482,064

Step by Step Solution

1. Step 1: Write the proportion equation
   219,648 : 482,064 = 482,064 : x
2. Step 2: Convert to fraction form
   219,648/482,064 = 482,064/x
3. Step 3: Cross multiply
   219,648x = 482,064 × 482,064
4. Step 4: Simplify right side
   219,648x = 232,385,700,096
5. Step 5: Solve for x
   x = 232,385,700,096/219,648
6. Step 6: Final answer
   x = 1,057,991.42