Finding the Third Proportional to 60,309.56 and 88,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,309.56 : 88,658.72 = 88,658.72 : x
2. Step 2: Convert to fraction form
   60,309.56/88,658.72 = 88,658.72/x
3. Step 3: Cross multiply
   60,309.56x = 88,658.72 × 88,658.72
4. Step 4: Simplify right side
   60,309.56x = 7,860,368,410.39
5. Step 5: Solve for x
   x = 7,860,368,410.39/60,309.56
6. Step 6: Final answer
   x = 130,333.70