Finding the Third Proportional to 56,978 and 117,601

Step by Step Solution

1. Step 1: Write the proportion equation
   56,978 : 117,601 = 117,601 : x
2. Step 2: Convert to fraction form
   56,978/117,601 = 117,601/x
3. Step 3: Cross multiply
   56,978x = 117,601 × 117,601
4. Step 4: Simplify right side
   56,978x = 13,829,995,201
5. Step 5: Solve for x
   x = 13,829,995,201/56,978
6. Step 6: Final answer
   x = 242,725.18