Finding the Third Proportional to 21,012.75 and 27,442.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,012.75 : 27,442.13 = 27,442.13 : x
2. Step 2: Convert to fraction form
   21,012.75/27,442.13 = 27,442.13/x
3. Step 3: Cross multiply
   21,012.75x = 27,442.13 × 27,442.13
4. Step 4: Simplify right side
   21,012.75x = 753,070,224.52
5. Step 5: Solve for x
   x = 753,070,224.52/21,012.75
6. Step 6: Final answer
   x = 35,838.73