Finding the Third Proportional to 49,142.25 and 74,120.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,142.25 : 74,120.63 = 74,120.63 : x
2. Step 2: Convert to fraction form
   49,142.25/74,120.63 = 74,120.63/x
3. Step 3: Cross multiply
   49,142.25x = 74,120.63 × 74,120.63
4. Step 4: Simplify right side
   49,142.25x = 5,493,867,050.39
5. Step 5: Solve for x
   x = 5,493,867,050.39/49,142.25
6. Step 6: Final answer
   x = 111,795.19