Finding the Third Proportional to 12,427.88 and 19,200.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.88 : 19,200.38 = 19,200.38 : x
2. Step 2: Convert to fraction form
   12,427.88/19,200.38 = 19,200.38/x
3. Step 3: Cross multiply
   12,427.88x = 19,200.38 × 19,200.38
4. Step 4: Simplify right side
   12,427.88x = 368,654,400.14
5. Step 5: Solve for x
   x = 368,654,400.14/12,427.88
6. Step 6: Final answer
   x = 29,663.51