Finding the Third Proportional to 186,894 and 398,253.38

Step by Step Solution

1. Step 1: Write the proportion equation
   186,894 : 398,253.38 = 398,253.38 : x
2. Step 2: Convert to fraction form
   186,894/398,253.38 = 398,253.38/x
3. Step 3: Cross multiply
   186,894x = 398,253.38 × 398,253.38
4. Step 4: Simplify right side
   186,894x = 158,605,750,698.89
5. Step 5: Solve for x
   x = 158,605,750,698.89/186,894
6. Step 6: Final answer
   x = 848,640.14