Finding the Third Proportional to 212,118 and 468,396

Step by Step Solution

1. Step 1: Write the proportion equation
   212,118 : 468,396 = 468,396 : x
2. Step 2: Convert to fraction form
   212,118/468,396 = 468,396/x
3. Step 3: Cross multiply
   212,118x = 468,396 × 468,396
4. Step 4: Simplify right side
   212,118x = 219,394,812,816
5. Step 5: Solve for x
   x = 219,394,812,816/212,118
6. Step 6: Final answer
   x = 1,034,305.49