Finding the Third Proportional to 361,147.50 and 483,156

Step by Step Solution

1. Step 1: Write the proportion equation
   361,147.50 : 483,156 = 483,156 : x
2. Step 2: Convert to fraction form
   361,147.50/483,156 = 483,156/x
3. Step 3: Cross multiply
   361,147.50x = 483,156 × 483,156
4. Step 4: Simplify right side
   361,147.50x = 233,439,720,336
5. Step 5: Solve for x
   x = 233,439,720,336/361,147.50
6. Step 6: Final answer
   x = 646,383.32