Finding the Third Proportional to 111,159 and 243,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,159 : 243,400.50 = 243,400.50 : x
2. Step 2: Convert to fraction form
   111,159/243,400.50 = 243,400.50/x
3. Step 3: Cross multiply
   111,159x = 243,400.50 × 243,400.50
4. Step 4: Simplify right side
   111,159x = 59,243,803,400.25
5. Step 5: Solve for x
   x = 59,243,803,400.25/111,159
6. Step 6: Final answer
   x = 532,964.52