Finding the Third Proportional to 49,140 and 74,621.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,140 : 74,621.25 = 74,621.25 : x
2. Step 2: Convert to fraction form
   49,140/74,621.25 = 74,621.25/x
3. Step 3: Cross multiply
   49,140x = 74,621.25 × 74,621.25
4. Step 4: Simplify right side
   49,140x = 5,568,330,951.56
5. Step 5: Solve for x
   x = 5,568,330,951.56/49,140
6. Step 6: Final answer
   x = 113,315.65