Finding the Third Proportional to 7,937.16 and 12,557.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,937.16 : 12,557.53 = 12,557.53 : x
2. Step 2: Convert to fraction form
   7,937.16/12,557.53 = 12,557.53/x
3. Step 3: Cross multiply
   7,937.16x = 12,557.53 × 12,557.53
4. Step 4: Simplify right side
   7,937.16x = 157,691,591.09
5. Step 5: Solve for x
   x = 157,691,591.09/7,937.16
6. Step 6: Final answer
   x = 19,867.52