Finding the Third Proportional to 186,308 and 404,122.75

Step by Step Solution

1. Step 1: Write the proportion equation
   186,308 : 404,122.75 = 404,122.75 : x
2. Step 2: Convert to fraction form
   186,308/404,122.75 = 404,122.75/x
3. Step 3: Cross multiply
   186,308x = 404,122.75 × 404,122.75
4. Step 4: Simplify right side
   186,308x = 163,315,197,067.56
5. Step 5: Solve for x
   x = 163,315,197,067.56/186,308
6. Step 6: Final answer
   x = 876,587.14