Finding the Third Proportional to 111,321 and 246,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,321 : 246,649.50 = 246,649.50 : x
2. Step 2: Convert to fraction form
   111,321/246,649.50 = 246,649.50/x
3. Step 3: Cross multiply
   111,321x = 246,649.50 × 246,649.50
4. Step 4: Simplify right side
   111,321x = 60,835,975,850.25
5. Step 5: Solve for x
   x = 60,835,975,850.25/111,321
6. Step 6: Final answer
   x = 546,491.46