Finding the Third Proportional to 192,861 and 289,101.38

Step by Step Solution

1. Step 1: Write the proportion equation
   192,861 : 289,101.38 = 289,101.38 : x
2. Step 2: Convert to fraction form
   192,861/289,101.38 = 289,101.38/x
3. Step 3: Cross multiply
   192,861x = 289,101.38 × 289,101.38
4. Step 4: Simplify right side
   192,861x = 83,579,605,026.89
5. Step 5: Solve for x
   x = 83,579,605,026.89/192,861
6. Step 6: Final answer
   x = 433,367.06