Finding the Third Proportional to 256,062 and 368,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   256,062 : 368,866.50 = 368,866.50 : x
2. Step 2: Convert to fraction form
   256,062/368,866.50 = 368,866.50/x
3. Step 3: Cross multiply
   256,062x = 368,866.50 × 368,866.50
4. Step 4: Simplify right side
   256,062x = 136,062,494,822.25
5. Step 5: Solve for x
   x = 136,062,494,822.25/256,062
6. Step 6: Final answer
   x = 531,365.43