Finding the Third Proportional to 218,380.50 and 463,005

Step by Step Solution

1. Step 1: Write the proportion equation
   218,380.50 : 463,005 = 463,005 : x
2. Step 2: Convert to fraction form
   218,380.50/463,005 = 463,005/x
3. Step 3: Cross multiply
   218,380.50x = 463,005 × 463,005
4. Step 4: Simplify right side
   218,380.50x = 214,373,630,025
5. Step 5: Solve for x
   x = 214,373,630,025/218,380.50
6. Step 6: Final answer
   x = 981,651.89