Finding the Third Proportional to 64,933.50 and 135,063

Step by Step Solution

1. Step 1: Write the proportion equation
   64,933.50 : 135,063 = 135,063 : x
2. Step 2: Convert to fraction form
   64,933.50/135,063 = 135,063/x
3. Step 3: Cross multiply
   64,933.50x = 135,063 × 135,063
4. Step 4: Simplify right side
   64,933.50x = 18,242,013,969
5. Step 5: Solve for x
   x = 18,242,013,969/64,933.50
6. Step 6: Final answer
   x = 280,933.79