Finding the Third Proportional to 215,564 and 468,436

Step by Step Solution

1. Step 1: Write the proportion equation
   215,564 : 468,436 = 468,436 : x
2. Step 2: Convert to fraction form
   215,564/468,436 = 468,436/x
3. Step 3: Cross multiply
   215,564x = 468,436 × 468,436
4. Step 4: Simplify right side
   215,564x = 219,432,286,096
5. Step 5: Solve for x
   x = 219,432,286,096/215,564
6. Step 6: Final answer
   x = 1,017,944.95