Finding the Third Proportional to 110,857.50 and 243,174.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,857.50 : 243,174.50 = 243,174.50 : x
2. Step 2: Convert to fraction form
   110,857.50/243,174.50 = 243,174.50/x
3. Step 3: Cross multiply
   110,857.50x = 243,174.50 × 243,174.50
4. Step 4: Simplify right side
   110,857.50x = 59,133,837,450.25
5. Step 5: Solve for x
   x = 59,133,837,450.25/110,857.50
6. Step 6: Final answer
   x = 533,422.07