Finding the Third Proportional to 213,390 and 466,152

Step by Step Solution

1. Step 1: Write the proportion equation
   213,390 : 466,152 = 466,152 : x
2. Step 2: Convert to fraction form
   213,390/466,152 = 466,152/x
3. Step 3: Cross multiply
   213,390x = 466,152 × 466,152
4. Step 4: Simplify right side
   213,390x = 217,297,687,104
5. Step 5: Solve for x
   x = 217,297,687,104/213,390
6. Step 6: Final answer
   x = 1,018,312.42