Finding the Third Proportional to 49,621.50 and 117,042.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,621.50 : 117,042.75 = 117,042.75 : x
2. Step 2: Convert to fraction form
   49,621.50/117,042.75 = 117,042.75/x
3. Step 3: Cross multiply
   49,621.50x = 117,042.75 × 117,042.75
4. Step 4: Simplify right side
   49,621.50x = 13,699,005,327.56
5. Step 5: Solve for x
   x = 13,699,005,327.56/49,621.50
6. Step 6: Final answer
   x = 276,069.96