Finding the Third Proportional to 13,137.25 and 19,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,137.25 : 19,842.25 = 19,842.25 : x
2. Step 2: Convert to fraction form
   13,137.25/19,842.25 = 19,842.25/x
3. Step 3: Cross multiply
   13,137.25x = 19,842.25 × 19,842.25
4. Step 4: Simplify right side
   13,137.25x = 393,714,885.06
5. Step 5: Solve for x
   x = 393,714,885.06/13,137.25
6. Step 6: Final answer
   x = 29,969.35