Finding the Third Proportional to 13,061.25 and 19,865.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.25 : 19,865.25 = 19,865.25 : x
2. Step 2: Convert to fraction form
   13,061.25/19,865.25 = 19,865.25/x
3. Step 3: Cross multiply
   13,061.25x = 19,865.25 × 19,865.25
4. Step 4: Simplify right side
   13,061.25x = 394,628,157.56
5. Step 5: Solve for x
   x = 394,628,157.56/13,061.25
6. Step 6: Final answer
   x = 30,213.66