Finding the Third Proportional to 15,115.50 and 30,995.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,115.50 : 30,995.25 = 30,995.25 : x
2. Step 2: Convert to fraction form
   15,115.50/30,995.25 = 30,995.25/x
3. Step 3: Cross multiply
   15,115.50x = 30,995.25 × 30,995.25
4. Step 4: Simplify right side
   15,115.50x = 960,705,522.56
5. Step 5: Solve for x
   x = 960,705,522.56/15,115.50
6. Step 6: Final answer
   x = 63,557.64