Finding the Third Proportional to 21,026.50 and 31,628

Step by Step Solution

1. Step 1: Write the proportion equation
   21,026.50 : 31,628 = 31,628 : x
2. Step 2: Convert to fraction form
   21,026.50/31,628 = 31,628/x
3. Step 3: Cross multiply
   21,026.50x = 31,628 × 31,628
4. Step 4: Simplify right side
   21,026.50x = 1,000,330,384
5. Step 5: Solve for x
   x = 1,000,330,384/21,026.50
6. Step 6: Final answer
   x = 47,574.75