Finding the Third Proportional to 154,956 and 239,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,956 : 239,268.50 = 239,268.50 : x
2. Step 2: Convert to fraction form
   154,956/239,268.50 = 239,268.50/x
3. Step 3: Cross multiply
   154,956x = 239,268.50 × 239,268.50
4. Step 4: Simplify right side
   154,956x = 57,249,415,092.25
5. Step 5: Solve for x
   x = 57,249,415,092.25/154,956
6. Step 6: Final answer
   x = 369,455.94