Finding the Third Proportional to 21,336 and 31,232.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,336 : 31,232.25 = 31,232.25 : x
2. Step 2: Convert to fraction form
   21,336/31,232.25 = 31,232.25/x
3. Step 3: Cross multiply
   21,336x = 31,232.25 × 31,232.25
4. Step 4: Simplify right side
   21,336x = 975,453,440.06
5. Step 5: Solve for x
   x = 975,453,440.06/21,336
6. Step 6: Final answer
   x = 45,718.67