Finding the Third Proportional to 194,859.50 and 418,727

Step by Step Solution

1. Step 1: Write the proportion equation
   194,859.50 : 418,727 = 418,727 : x
2. Step 2: Convert to fraction form
   194,859.50/418,727 = 418,727/x
3. Step 3: Cross multiply
   194,859.50x = 418,727 × 418,727
4. Step 4: Simplify right side
   194,859.50x = 175,332,300,529
5. Step 5: Solve for x
   x = 175,332,300,529/194,859.50
6. Step 6: Final answer
   x = 899,788.31