Finding the Third Proportional to 219,186 and 471,636

Step by Step Solution

1. Step 1: Write the proportion equation
   219,186 : 471,636 = 471,636 : x
2. Step 2: Convert to fraction form
   219,186/471,636 = 471,636/x
3. Step 3: Cross multiply
   219,186x = 471,636 × 471,636
4. Step 4: Simplify right side
   219,186x = 222,440,516,496
5. Step 5: Solve for x
   x = 222,440,516,496/219,186
6. Step 6: Final answer
   x = 1,014,848.20