Finding the Third Proportional to 11,800.69 and 19,261.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,800.69 : 19,261.55 = 19,261.55 : x
2. Step 2: Convert to fraction form
   11,800.69/19,261.55 = 19,261.55/x
3. Step 3: Cross multiply
   11,800.69x = 19,261.55 × 19,261.55
4. Step 4: Simplify right side
   11,800.69x = 371,007,188.02
5. Step 5: Solve for x
   x = 371,007,188.02/11,800.69
6. Step 6: Final answer
   x = 31,439.46