Finding the Third Proportional to 21,116.25 and 30,969

Step by Step Solution

1. Step 1: Write the proportion equation
   21,116.25 : 30,969 = 30,969 : x
2. Step 2: Convert to fraction form
   21,116.25/30,969 = 30,969/x
3. Step 3: Cross multiply
   21,116.25x = 30,969 × 30,969
4. Step 4: Simplify right side
   21,116.25x = 959,078,961
5. Step 5: Solve for x
   x = 959,078,961/21,116.25
6. Step 6: Final answer
   x = 45,419.00