Finding the Third Proportional to 21,001 and 42,962

Step by Step Solution

1. Step 1: Write the proportion equation
   21,001 : 42,962 = 42,962 : x
2. Step 2: Convert to fraction form
   21,001/42,962 = 42,962/x
3. Step 3: Cross multiply
   21,001x = 42,962 × 42,962
4. Step 4: Simplify right side
   21,001x = 1,845,733,444
5. Step 5: Solve for x
   x = 1,845,733,444/21,001
6. Step 6: Final answer
   x = 87,887.88