Finding the Third Proportional to 213,312 and 466,800

Step by Step Solution

1. Step 1: Write the proportion equation
   213,312 : 466,800 = 466,800 : x
2. Step 2: Convert to fraction form
   213,312/466,800 = 466,800/x
3. Step 3: Cross multiply
   213,312x = 466,800 × 466,800
4. Step 4: Simplify right side
   213,312x = 217,902,240,000
5. Step 5: Solve for x
   x = 217,902,240,000/213,312
6. Step 6: Final answer
   x = 1,021,518.90