Finding the Third Proportional to 12,773.25 and 21,108.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,773.25 : 21,108.38 = 21,108.38 : x
2. Step 2: Convert to fraction form
   12,773.25/21,108.38 = 21,108.38/x
3. Step 3: Cross multiply
   12,773.25x = 21,108.38 × 21,108.38
4. Step 4: Simplify right side
   12,773.25x = 445,563,495.14
5. Step 5: Solve for x
   x = 445,563,495.14/12,773.25
6. Step 6: Final answer
   x = 34,882.55