Finding the Third Proportional to 212,418 and 463,482

Step by Step Solution

1. Step 1: Write the proportion equation
   212,418 : 463,482 = 463,482 : x
2. Step 2: Convert to fraction form
   212,418/463,482 = 463,482/x
3. Step 3: Cross multiply
   212,418x = 463,482 × 463,482
4. Step 4: Simplify right side
   212,418x = 214,815,564,324
5. Step 5: Solve for x
   x = 214,815,564,324/212,418
6. Step 6: Final answer
   x = 1,011,287.01