Finding the Third Proportional to 21,025 and 31,627

Step by Step Solution

1. Step 1: Write the proportion equation
   21,025 : 31,627 = 31,627 : x
2. Step 2: Convert to fraction form
   21,025/31,627 = 31,627/x
3. Step 3: Cross multiply
   21,025x = 31,627 × 31,627
4. Step 4: Simplify right side
   21,025x = 1,000,267,129
5. Step 5: Solve for x
   x = 1,000,267,129/21,025
6. Step 6: Final answer
   x = 47,575.13