Finding the Third Proportional to 216,658.25 and 483,105

Step by Step Solution

1. Step 1: Write the proportion equation
   216,658.25 : 483,105 = 483,105 : x
2. Step 2: Convert to fraction form
   216,658.25/483,105 = 483,105/x
3. Step 3: Cross multiply
   216,658.25x = 483,105 × 483,105
4. Step 4: Simplify right side
   216,658.25x = 233,390,441,025
5. Step 5: Solve for x
   x = 233,390,441,025/216,658.25
6. Step 6: Final answer
   x = 1,077,228.50