Finding the Third Proportional to 322,894 and 443,246

Step by Step Solution

1. Step 1: Write the proportion equation
   322,894 : 443,246 = 443,246 : x
2. Step 2: Convert to fraction form
   322,894/443,246 = 443,246/x
3. Step 3: Cross multiply
   322,894x = 443,246 × 443,246
4. Step 4: Simplify right side
   322,894x = 196,467,016,516
5. Step 5: Solve for x
   x = 196,467,016,516/322,894
6. Step 6: Final answer
   x = 608,456.70