Finding the Third Proportional to 57,760.88 and 77,261.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,760.88 : 77,261.63 = 77,261.63 : x
2. Step 2: Convert to fraction form
   57,760.88/77,261.63 = 77,261.63/x
3. Step 3: Cross multiply
   57,760.88x = 77,261.63 × 77,261.63
4. Step 4: Simplify right side
   57,760.88x = 5,969,358,697.64
5. Step 5: Solve for x
   x = 5,969,358,697.64/57,760.88
6. Step 6: Final answer
   x = 103,346.06