Finding the Third Proportional to 233,866.50 and 505,155

Step by Step Solution

1. Step 1: Write the proportion equation
   233,866.50 : 505,155 = 505,155 : x
2. Step 2: Convert to fraction form
   233,866.50/505,155 = 505,155/x
3. Step 3: Cross multiply
   233,866.50x = 505,155 × 505,155
4. Step 4: Simplify right side
   233,866.50x = 255,181,574,025
5. Step 5: Solve for x
   x = 255,181,574,025/233,866.50
6. Step 6: Final answer
   x = 1,091,142.06