Finding the Third Proportional to 203,906.50 and 439,061

Step by Step Solution

1. Step 1: Write the proportion equation
   203,906.50 : 439,061 = 439,061 : x
2. Step 2: Convert to fraction form
   203,906.50/439,061 = 439,061/x
3. Step 3: Cross multiply
   203,906.50x = 439,061 × 439,061
4. Step 4: Simplify right side
   203,906.50x = 192,774,561,721
5. Step 5: Solve for x
   x = 192,774,561,721/203,906.50
6. Step 6: Final answer
   x = 945,406.65