Finding the Third Proportional to 123,912 and 187,029

Step by Step Solution

1. Step 1: Write the proportion equation
   123,912 : 187,029 = 187,029 : x
2. Step 2: Convert to fraction form
   123,912/187,029 = 187,029/x
3. Step 3: Cross multiply
   123,912x = 187,029 × 187,029
4. Step 4: Simplify right side
   123,912x = 34,979,846,841
5. Step 5: Solve for x
   x = 34,979,846,841/123,912
6. Step 6: Final answer
   x = 282,295.88