Finding the Third Proportional to 13,177.69 and 19,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,177.69 : 19,300.78 = 19,300.78 : x
2. Step 2: Convert to fraction form
   13,177.69/19,300.78 = 19,300.78/x
3. Step 3: Cross multiply
   13,177.69x = 19,300.78 × 19,300.78
4. Step 4: Simplify right side
   13,177.69x = 372,520,156.86
5. Step 5: Solve for x
   x = 372,520,156.86/13,177.69
6. Step 6: Final answer
   x = 28,269.01