Finding the Third Proportional to 21,025 and 31,625.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,025 : 31,625.25 = 31,625.25 : x
2. Step 2: Convert to fraction form
   21,025/31,625.25 = 31,625.25/x
3. Step 3: Cross multiply
   21,025x = 31,625.25 × 31,625.25
4. Step 4: Simplify right side
   21,025x = 1,000,156,437.56
5. Step 5: Solve for x
   x = 1,000,156,437.56/21,025
6. Step 6: Final answer
   x = 47,569.87