Finding the Third Proportional to 220,929.75 and 484,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,929.75 : 484,870.50 = 484,870.50 : x
2. Step 2: Convert to fraction form
   220,929.75/484,870.50 = 484,870.50/x
3. Step 3: Cross multiply
   220,929.75x = 484,870.50 × 484,870.50
4. Step 4: Simplify right side
   220,929.75x = 235,099,401,770.25
5. Step 5: Solve for x
   x = 235,099,401,770.25/220,929.75
6. Step 6: Final answer
   x = 1,064,136.46