Finding the Third Proportional to 119,913 and 173,238.75

Step by Step Solution

1. Step 1: Write the proportion equation
   119,913 : 173,238.75 = 173,238.75 : x
2. Step 2: Convert to fraction form
   119,913/173,238.75 = 173,238.75/x
3. Step 3: Cross multiply
   119,913x = 173,238.75 × 173,238.75
4. Step 4: Simplify right side
   119,913x = 30,011,664,501.56
5. Step 5: Solve for x
   x = 30,011,664,501.56/119,913
6. Step 6: Final answer
   x = 250,278.66