Finding the Third Proportional to 111,048 and 243,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,048 : 243,700.50 = 243,700.50 : x
2. Step 2: Convert to fraction form
   111,048/243,700.50 = 243,700.50/x
3. Step 3: Cross multiply
   111,048x = 243,700.50 × 243,700.50
4. Step 4: Simplify right side
   111,048x = 59,389,933,700.25
5. Step 5: Solve for x
   x = 59,389,933,700.25/111,048
6. Step 6: Final answer
   x = 534,813.18