Finding the Third Proportional to 49,040 and 75,140

Step by Step Solution

1. Step 1: Write the proportion equation
   49,040 : 75,140 = 75,140 : x
2. Step 2: Convert to fraction form
   49,040/75,140 = 75,140/x
3. Step 3: Cross multiply
   49,040x = 75,140 × 75,140
4. Step 4: Simplify right side
   49,040x = 5,646,019,600
5. Step 5: Solve for x
   x = 5,646,019,600/49,040
6. Step 6: Final answer
   x = 115,130.91