Finding the Third Proportional to 108,993 and 243,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,993 : 243,496.50 = 243,496.50 : x
2. Step 2: Convert to fraction form
   108,993/243,496.50 = 243,496.50/x
3. Step 3: Cross multiply
   108,993x = 243,496.50 × 243,496.50
4. Step 4: Simplify right side
   108,993x = 59,290,545,512.25
5. Step 5: Solve for x
   x = 59,290,545,512.25/108,993
6. Step 6: Final answer
   x = 543,984.89