Finding the Third Proportional to 103,692 and 222,120

Step by Step Solution

1. Step 1: Write the proportion equation
   103,692 : 222,120 = 222,120 : x
2. Step 2: Convert to fraction form
   103,692/222,120 = 222,120/x
3. Step 3: Cross multiply
   103,692x = 222,120 × 222,120
4. Step 4: Simplify right side
   103,692x = 49,337,294,400
5. Step 5: Solve for x
   x = 49,337,294,400/103,692
6. Step 6: Final answer
   x = 475,806.18