Finding the Third Proportional to 213,272 and 466,720

Step by Step Solution

1. Step 1: Write the proportion equation
   213,272 : 466,720 = 466,720 : x
2. Step 2: Convert to fraction form
   213,272/466,720 = 466,720/x
3. Step 3: Cross multiply
   213,272x = 466,720 × 466,720
4. Step 4: Simplify right side
   213,272x = 217,827,558,400
5. Step 5: Solve for x
   x = 217,827,558,400/213,272
6. Step 6: Final answer
   x = 1,021,360.32