Finding the Third Proportional to 123,043 and 188,628

Step by Step Solution

1. Step 1: Write the proportion equation
   123,043 : 188,628 = 188,628 : x
2. Step 2: Convert to fraction form
   123,043/188,628 = 188,628/x
3. Step 3: Cross multiply
   123,043x = 188,628 × 188,628
4. Step 4: Simplify right side
   123,043x = 35,580,522,384
5. Step 5: Solve for x
   x = 35,580,522,384/123,043
6. Step 6: Final answer
   x = 289,171.45