Finding the Third Proportional to 20,642 and 34,151

Step by Step Solution

1. Step 1: Write the proportion equation
   20,642 : 34,151 = 34,151 : x
2. Step 2: Convert to fraction form
   20,642/34,151 = 34,151/x
3. Step 3: Cross multiply
   20,642x = 34,151 × 34,151
4. Step 4: Simplify right side
   20,642x = 1,166,290,801
5. Step 5: Solve for x
   x = 1,166,290,801/20,642
6. Step 6: Final answer
   x = 56,500.86