Finding the Third Proportional to 108,756 and 220,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,756 : 220,567.50 = 220,567.50 : x
2. Step 2: Convert to fraction form
   108,756/220,567.50 = 220,567.50/x
3. Step 3: Cross multiply
   108,756x = 220,567.50 × 220,567.50
4. Step 4: Simplify right side
   108,756x = 48,650,022,056.25
5. Step 5: Solve for x
   x = 48,650,022,056.25/108,756
6. Step 6: Final answer
   x = 447,331.84