Finding the Third Proportional to 21,348 and 31,902.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,348 : 31,902.75 = 31,902.75 : x
2. Step 2: Convert to fraction form
   21,348/31,902.75 = 31,902.75/x
3. Step 3: Cross multiply
   21,348x = 31,902.75 × 31,902.75
4. Step 4: Simplify right side
   21,348x = 1,017,785,457.56
5. Step 5: Solve for x
   x = 1,017,785,457.56/21,348
6. Step 6: Final answer
   x = 47,675.92