Finding the Third Proportional to 49,603.50 and 117,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,603.50 : 117,072.50 = 117,072.50 : x
2. Step 2: Convert to fraction form
   49,603.50/117,072.50 = 117,072.50/x
3. Step 3: Cross multiply
   49,603.50x = 117,072.50 × 117,072.50
4. Step 4: Simplify right side
   49,603.50x = 13,705,970,256.25
5. Step 5: Solve for x
   x = 13,705,970,256.25/49,603.50
6. Step 6: Final answer
   x = 276,310.55