Finding the Third Proportional to 123,265.50 and 188,208

Step by Step Solution

1. Step 1: Write the proportion equation
   123,265.50 : 188,208 = 188,208 : x
2. Step 2: Convert to fraction form
   123,265.50/188,208 = 188,208/x
3. Step 3: Cross multiply
   123,265.50x = 188,208 × 188,208
4. Step 4: Simplify right side
   123,265.50x = 35,422,251,264
5. Step 5: Solve for x
   x = 35,422,251,264/123,265.50
6. Step 6: Final answer
   x = 287,365.49