Finding the Third Proportional to 212,484 and 464,172

Step by Step Solution

1. Step 1: Write the proportion equation
   212,484 : 464,172 = 464,172 : x
2. Step 2: Convert to fraction form
   212,484/464,172 = 464,172/x
3. Step 3: Cross multiply
   212,484x = 464,172 × 464,172
4. Step 4: Simplify right side
   212,484x = 215,455,645,584
5. Step 5: Solve for x
   x = 215,455,645,584/212,484
6. Step 6: Final answer
   x = 1,013,985.27