Finding the Third Proportional to 59,881.78 and 131,427.56

Step by Step Solution

1. Step 1: Write the proportion equation
   59,881.78 : 131,427.56 = 131,427.56 : x
2. Step 2: Convert to fraction form
   59,881.78/131,427.56 = 131,427.56/x
3. Step 3: Cross multiply
   59,881.78x = 131,427.56 × 131,427.56
4. Step 4: Simplify right side
   59,881.78x = 17,273,204,184.69
5. Step 5: Solve for x
   x = 17,273,204,184.69/59,881.78
6. Step 6: Final answer
   x = 288,455.08