Finding the Third Proportional to 219,318 and 471,900

Step by Step Solution

1. Step 1: Write the proportion equation
   219,318 : 471,900 = 471,900 : x
2. Step 2: Convert to fraction form
   219,318/471,900 = 471,900/x
3. Step 3: Cross multiply
   219,318x = 471,900 × 471,900
4. Step 4: Simplify right side
   219,318x = 222,689,610,000
5. Step 5: Solve for x
   x = 222,689,610,000/219,318
6. Step 6: Final answer
   x = 1,015,373.16