Finding the Third Proportional to 124,947 and 199,840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,947 : 199,840.50 = 199,840.50 : x
2. Step 2: Convert to fraction form
   124,947/199,840.50 = 199,840.50/x
3. Step 3: Cross multiply
   124,947x = 199,840.50 × 199,840.50
4. Step 4: Simplify right side
   124,947x = 39,936,225,440.25
5. Step 5: Solve for x
   x = 39,936,225,440.25/124,947
6. Step 6: Final answer
   x = 319,625.32