Finding the Third Proportional to 110,866.50 and 243,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,866.50 : 243,886.50 = 243,886.50 : x
2. Step 2: Convert to fraction form
   110,866.50/243,886.50 = 243,886.50/x
3. Step 3: Cross multiply
   110,866.50x = 243,886.50 × 243,886.50
4. Step 4: Simplify right side
   110,866.50x = 59,480,624,882.25
5. Step 5: Solve for x
   x = 59,480,624,882.25/110,866.50
6. Step 6: Final answer
   x = 536,506.74