Finding the Third Proportional to 88,851 and 187,678

Step by Step Solution

1. Step 1: Write the proportion equation
   88,851 : 187,678 = 187,678 : x
2. Step 2: Convert to fraction form
   88,851/187,678 = 187,678/x
3. Step 3: Cross multiply
   88,851x = 187,678 × 187,678
4. Step 4: Simplify right side
   88,851x = 35,223,031,684
5. Step 5: Solve for x
   x = 35,223,031,684/88,851
6. Step 6: Final answer
   x = 396,428.08