Finding the Third Proportional to 31,923.50 and 64,759

Step by Step Solution

1. Step 1: Write the proportion equation
   31,923.50 : 64,759 = 64,759 : x
2. Step 2: Convert to fraction form
   31,923.50/64,759 = 64,759/x
3. Step 3: Cross multiply
   31,923.50x = 64,759 × 64,759
4. Step 4: Simplify right side
   31,923.50x = 4,193,728,081
5. Step 5: Solve for x
   x = 4,193,728,081/31,923.50
6. Step 6: Final answer
   x = 131,368.05