Finding the Third Proportional to 101,280.50 and 220,784

Step by Step Solution

1. Step 1: Write the proportion equation
   101,280.50 : 220,784 = 220,784 : x
2. Step 2: Convert to fraction form
   101,280.50/220,784 = 220,784/x
3. Step 3: Cross multiply
   101,280.50x = 220,784 × 220,784
4. Step 4: Simplify right side
   101,280.50x = 48,745,574,656
5. Step 5: Solve for x
   x = 48,745,574,656/101,280.50
6. Step 6: Final answer
   x = 481,292.79