Finding the Third Proportional to 212,528 and 462,442

Step by Step Solution

1. Step 1: Write the proportion equation
   212,528 : 462,442 = 462,442 : x
2. Step 2: Convert to fraction form
   212,528/462,442 = 462,442/x
3. Step 3: Cross multiply
   212,528x = 462,442 × 462,442
4. Step 4: Simplify right side
   212,528x = 213,852,603,364
5. Step 5: Solve for x
   x = 213,852,603,364/212,528
6. Step 6: Final answer
   x = 1,006,232.61