Finding the Third Proportional to 218,059.50 and 462,538.50

Step by Step Solution

1. Step 1: Write the proportion equation
   218,059.50 : 462,538.50 = 462,538.50 : x
2. Step 2: Convert to fraction form
   218,059.50/462,538.50 = 462,538.50/x
3. Step 3: Cross multiply
   218,059.50x = 462,538.50 × 462,538.50
4. Step 4: Simplify right side
   218,059.50x = 213,941,863,982.25
5. Step 5: Solve for x
   x = 213,941,863,982.25/218,059.50
6. Step 6: Final answer
   x = 981,116.92