Finding the Third Proportional to 221,171.77 and 471,309.89

Step by Step Solution

1. Step 1: Write the proportion equation
   221,171.77 : 471,309.89 = 471,309.89 : x
2. Step 2: Convert to fraction form
   221,171.77/471,309.89 = 471,309.89/x
3. Step 3: Cross multiply
   221,171.77x = 471,309.89 × 471,309.89
4. Step 4: Simplify right side
   221,171.77x = 222,133,013,000.95
5. Step 5: Solve for x
   x = 222,133,013,000.95/221,171.77
6. Step 6: Final answer
   x = 1,004,346.16