Finding the Third Proportional to 186,957 and 408,176.25

Step by Step Solution

1. Step 1: Write the proportion equation
   186,957 : 408,176.25 = 408,176.25 : x
2. Step 2: Convert to fraction form
   186,957/408,176.25 = 408,176.25/x
3. Step 3: Cross multiply
   186,957x = 408,176.25 × 408,176.25
4. Step 4: Simplify right side
   186,957x = 166,607,851,064.06
5. Step 5: Solve for x
   x = 166,607,851,064.06/186,957
6. Step 6: Final answer
   x = 891,155.99