Finding the Third Proportional to 12,515.77 and 19,372.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,515.77 : 19,372.92 = 19,372.92 : x
2. Step 2: Convert to fraction form
   12,515.77/19,372.92 = 19,372.92/x
3. Step 3: Cross multiply
   12,515.77x = 19,372.92 × 19,372.92
4. Step 4: Simplify right side
   12,515.77x = 375,310,101.97
5. Step 5: Solve for x
   x = 375,310,101.97/12,515.77
6. Step 6: Final answer
   x = 29,986.99