Finding the Third Proportional to 56,464.50 and 111,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,464.50 : 111,511.50 = 111,511.50 : x
2. Step 2: Convert to fraction form
   56,464.50/111,511.50 = 111,511.50/x
3. Step 3: Cross multiply
   56,464.50x = 111,511.50 × 111,511.50
4. Step 4: Simplify right side
   56,464.50x = 12,434,814,632.25
5. Step 5: Solve for x
   x = 12,434,814,632.25/56,464.50
6. Step 6: Final answer
   x = 220,223.59