Finding the Third Proportional to 212,244 and 465,312

Step by Step Solution

1. Step 1: Write the proportion equation
   212,244 : 465,312 = 465,312 : x
2. Step 2: Convert to fraction form
   212,244/465,312 = 465,312/x
3. Step 3: Cross multiply
   212,244x = 465,312 × 465,312
4. Step 4: Simplify right side
   212,244x = 216,515,257,344
5. Step 5: Solve for x
   x = 216,515,257,344/212,244
6. Step 6: Final answer
   x = 1,020,124.28