Finding the Third Proportional to 198,048.38 and 427,662

Step by Step Solution

1. Step 1: Write the proportion equation
   198,048.38 : 427,662 = 427,662 : x
2. Step 2: Convert to fraction form
   198,048.38/427,662 = 427,662/x
3. Step 3: Cross multiply
   198,048.38x = 427,662 × 427,662
4. Step 4: Simplify right side
   198,048.38x = 182,894,786,244
5. Step 5: Solve for x
   x = 182,894,786,244/198,048.38
6. Step 6: Final answer
   x = 923,485.42