Finding the Third Proportional to 47,443 and 74,040

Step by Step Solution

1. Step 1: Write the proportion equation
   47,443 : 74,040 = 74,040 : x
2. Step 2: Convert to fraction form
   47,443/74,040 = 74,040/x
3. Step 3: Cross multiply
   47,443x = 74,040 × 74,040
4. Step 4: Simplify right side
   47,443x = 5,481,921,600
5. Step 5: Solve for x
   x = 5,481,921,600/47,443
6. Step 6: Final answer
   x = 115,547.53