Finding the Third Proportional to 12,860.25 and 19,427.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860.25 : 19,427.25 = 19,427.25 : x
2. Step 2: Convert to fraction form
   12,860.25/19,427.25 = 19,427.25/x
3. Step 3: Cross multiply
   12,860.25x = 19,427.25 × 19,427.25
4. Step 4: Simplify right side
   12,860.25x = 377,418,042.56
5. Step 5: Solve for x
   x = 377,418,042.56/12,860.25
6. Step 6: Final answer
   x = 29,347.64