Finding the Third Proportional to 110,973.50 and 242,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,973.50 : 242,707.50 = 242,707.50 : x
2. Step 2: Convert to fraction form
   110,973.50/242,707.50 = 242,707.50/x
3. Step 3: Cross multiply
   110,973.50x = 242,707.50 × 242,707.50
4. Step 4: Simplify right side
   110,973.50x = 58,906,930,556.25
5. Step 5: Solve for x
   x = 58,906,930,556.25/110,973.50
6. Step 6: Final answer
   x = 530,819.80