Finding the Third Proportional to 12,561.75 and 19,450.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,561.75 : 19,450.13 = 19,450.13 : x
2. Step 2: Convert to fraction form
   12,561.75/19,450.13 = 19,450.13/x
3. Step 3: Cross multiply
   12,561.75x = 19,450.13 × 19,450.13
4. Step 4: Simplify right side
   12,561.75x = 378,307,362.52
5. Step 5: Solve for x
   x = 378,307,362.52/12,561.75
6. Step 6: Final answer
   x = 30,115.82