Finding the Third Proportional to 57,646 and 118,139

Step by Step Solution

1. Step 1: Write the proportion equation
   57,646 : 118,139 = 118,139 : x
2. Step 2: Convert to fraction form
   57,646/118,139 = 118,139/x
3. Step 3: Cross multiply
   57,646x = 118,139 × 118,139
4. Step 4: Simplify right side
   57,646x = 13,956,823,321
5. Step 5: Solve for x
   x = 13,956,823,321/57,646
6. Step 6: Final answer
   x = 242,112.61