Finding the Third Proportional to 20,910 and 31,362

Step by Step Solution

1. Step 1: Write the proportion equation
   20,910 : 31,362 = 31,362 : x
2. Step 2: Convert to fraction form
   20,910/31,362 = 31,362/x
3. Step 3: Cross multiply
   20,910x = 31,362 × 31,362
4. Step 4: Simplify right side
   20,910x = 983,575,044
5. Step 5: Solve for x
   x = 983,575,044/20,910
6. Step 6: Final answer
   x = 47,038.50