Finding the Third Proportional to 218,926 and 471,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   218,926 : 471,624.50 = 471,624.50 : x
2. Step 2: Convert to fraction form
   218,926/471,624.50 = 471,624.50/x
3. Step 3: Cross multiply
   218,926x = 471,624.50 × 471,624.50
4. Step 4: Simplify right side
   218,926x = 222,429,669,000.25
5. Step 5: Solve for x
   x = 222,429,669,000.25/218,926
6. Step 6: Final answer
   x = 1,016,003.90