Finding the Third Proportional to 49,431.38 and 116,638.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,431.38 : 116,638.88 = 116,638.88 : x
2. Step 2: Convert to fraction form
   49,431.38/116,638.88 = 116,638.88/x
3. Step 3: Cross multiply
   49,431.38x = 116,638.88 × 116,638.88
4. Step 4: Simplify right side
   49,431.38x = 13,604,627,161.27
5. Step 5: Solve for x
   x = 13,604,627,161.27/49,431.38
6. Step 6: Final answer
   x = 275,222.51