Finding the Third Proportional to 220,561.50 and 236,145

Step by Step Solution

1. Step 1: Write the proportion equation
   220,561.50 : 236,145 = 236,145 : x
2. Step 2: Convert to fraction form
   220,561.50/236,145 = 236,145/x
3. Step 3: Cross multiply
   220,561.50x = 236,145 × 236,145
4. Step 4: Simplify right side
   220,561.50x = 55,764,461,025
5. Step 5: Solve for x
   x = 55,764,461,025/220,561.50
6. Step 6: Final answer
   x = 252,829.53