Finding the Third Proportional to 209,924 and 443,560

Step by Step Solution

1. Step 1: Write the proportion equation
   209,924 : 443,560 = 443,560 : x
2. Step 2: Convert to fraction form
   209,924/443,560 = 443,560/x
3. Step 3: Cross multiply
   209,924x = 443,560 × 443,560
4. Step 4: Simplify right side
   209,924x = 196,745,473,600
5. Step 5: Solve for x
   x = 196,745,473,600/209,924
6. Step 6: Final answer
   x = 937,222.39