Finding the Third Proportional to 110,863.50 and 243,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,863.50 : 243,880.50 = 243,880.50 : x
2. Step 2: Convert to fraction form
   110,863.50/243,880.50 = 243,880.50/x
3. Step 3: Cross multiply
   110,863.50x = 243,880.50 × 243,880.50
4. Step 4: Simplify right side
   110,863.50x = 59,477,698,280.25
5. Step 5: Solve for x
   x = 59,477,698,280.25/110,863.50
6. Step 6: Final answer
   x = 536,494.86