Finding the Third Proportional to 124,326 and 197,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,326 : 197,165.50 = 197,165.50 : x
2. Step 2: Convert to fraction form
   124,326/197,165.50 = 197,165.50/x
3. Step 3: Cross multiply
   124,326x = 197,165.50 × 197,165.50
4. Step 4: Simplify right side
   124,326x = 38,874,234,390.25
5. Step 5: Solve for x
   x = 38,874,234,390.25/124,326
6. Step 6: Final answer
   x = 312,679.84