Finding the Third Proportional to 114,615 and 243,993

Step by Step Solution

1. Step 1: Write the proportion equation
   114,615 : 243,993 = 243,993 : x
2. Step 2: Convert to fraction form
   114,615/243,993 = 243,993/x
3. Step 3: Cross multiply
   114,615x = 243,993 × 243,993
4. Step 4: Simplify right side
   114,615x = 59,532,584,049
5. Step 5: Solve for x
   x = 59,532,584,049/114,615
6. Step 6: Final answer
   x = 519,413.55