Finding the Third Proportional to 194,879.25 and 418,770

Step by Step Solution

1. Step 1: Write the proportion equation
   194,879.25 : 418,770 = 418,770 : x
2. Step 2: Convert to fraction form
   194,879.25/418,770 = 418,770/x
3. Step 3: Cross multiply
   194,879.25x = 418,770 × 418,770
4. Step 4: Simplify right side
   194,879.25x = 175,368,312,900
5. Step 5: Solve for x
   x = 175,368,312,900/194,879.25
6. Step 6: Final answer
   x = 899,881.92