Finding the Third Proportional to 108,738 and 220,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,738 : 220,549.50 = 220,549.50 : x
2. Step 2: Convert to fraction form
   108,738/220,549.50 = 220,549.50/x
3. Step 3: Cross multiply
   108,738x = 220,549.50 × 220,549.50
4. Step 4: Simplify right side
   108,738x = 48,642,081,950.25
5. Step 5: Solve for x
   x = 48,642,081,950.25/108,738
6. Step 6: Final answer
   x = 447,332.87