Finding the Third Proportional to 111,600 and 248,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,600 : 248,029.50 = 248,029.50 : x
2. Step 2: Convert to fraction form
   111,600/248,029.50 = 248,029.50/x
3. Step 3: Cross multiply
   111,600x = 248,029.50 × 248,029.50
4. Step 4: Simplify right side
   111,600x = 61,518,632,870.25
5. Step 5: Solve for x
   x = 61,518,632,870.25/111,600
6. Step 6: Final answer
   x = 551,242.23