Finding the Third Proportional to 238,464.50 and 505,360

Step by Step Solution

1. Step 1: Write the proportion equation
   238,464.50 : 505,360 = 505,360 : x
2. Step 2: Convert to fraction form
   238,464.50/505,360 = 505,360/x
3. Step 3: Cross multiply
   238,464.50x = 505,360 × 505,360
4. Step 4: Simplify right side
   238,464.50x = 255,388,729,600
5. Step 5: Solve for x
   x = 255,388,729,600/238,464.50
6. Step 6: Final answer
   x = 1,070,971.69