Finding the Third Proportional to 124,957 and 199,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,957 : 199,853.50 = 199,853.50 : x
2. Step 2: Convert to fraction form
   124,957/199,853.50 = 199,853.50/x
3. Step 3: Cross multiply
   124,957x = 199,853.50 × 199,853.50
4. Step 4: Simplify right side
   124,957x = 39,941,421,462.25
5. Step 5: Solve for x
   x = 39,941,421,462.25/124,957
6. Step 6: Final answer
   x = 319,641.33