Finding the Third Proportional to 13,515.75 and 19,351.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,515.75 : 19,351.13 = 19,351.13 : x
2. Step 2: Convert to fraction form
   13,515.75/19,351.13 = 19,351.13/x
3. Step 3: Cross multiply
   13,515.75x = 19,351.13 × 19,351.13
4. Step 4: Simplify right side
   13,515.75x = 374,466,038.77
5. Step 5: Solve for x
   x = 374,466,038.77/13,515.75
6. Step 6: Final answer
   x = 27,705.90