Finding the Third Proportional to 207,144 and 443,788

Step by Step Solution

1. Step 1: Write the proportion equation
   207,144 : 443,788 = 443,788 : x
2. Step 2: Convert to fraction form
   207,144/443,788 = 443,788/x
3. Step 3: Cross multiply
   207,144x = 443,788 × 443,788
4. Step 4: Simplify right side
   207,144x = 196,947,788,944
5. Step 5: Solve for x
   x = 196,947,788,944/207,144
6. Step 6: Final answer
   x = 950,777.18