Finding the Third Proportional to 212,472 and 463,584

Step by Step Solution

1. Step 1: Write the proportion equation
   212,472 : 463,584 = 463,584 : x
2. Step 2: Convert to fraction form
   212,472/463,584 = 463,584/x
3. Step 3: Cross multiply
   212,472x = 463,584 × 463,584
4. Step 4: Simplify right side
   212,472x = 214,910,125,056
5. Step 5: Solve for x
   x = 214,910,125,056/212,472
6. Step 6: Final answer
   x = 1,011,475.04