Finding the Third Proportional to 57,076.88 and 90,900.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,076.88 : 90,900.56 = 90,900.56 : x
2. Step 2: Convert to fraction form
   57,076.88/90,900.56 = 90,900.56/x
3. Step 3: Cross multiply
   57,076.88x = 90,900.56 × 90,900.56
4. Step 4: Simplify right side
   57,076.88x = 8,262,912,262.82
5. Step 5: Solve for x
   x = 8,262,912,262.82/57,076.88
6. Step 6: Final answer
   x = 144,768.13