Finding the Third Proportional to 92,061 and 198,648

Step by Step Solution

1. Step 1: Write the proportion equation
   92,061 : 198,648 = 198,648 : x
2. Step 2: Convert to fraction form
   92,061/198,648 = 198,648/x
3. Step 3: Cross multiply
   92,061x = 198,648 × 198,648
4. Step 4: Simplify right side
   92,061x = 39,461,027,904
5. Step 5: Solve for x
   x = 39,461,027,904/92,061
6. Step 6: Final answer
   x = 428,640.01