Finding the Third Proportional to 31,242 and 47,910

Step by Step Solution

1. Step 1: Write the proportion equation
   31,242 : 47,910 = 47,910 : x
2. Step 2: Convert to fraction form
   31,242/47,910 = 47,910/x
3. Step 3: Cross multiply
   31,242x = 47,910 × 47,910
4. Step 4: Simplify right side
   31,242x = 2,295,368,100
5. Step 5: Solve for x
   x = 2,295,368,100/31,242
6. Step 6: Final answer
   x = 73,470.59