Finding the Third Proportional to 58,785.75 and 89,560.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,785.75 : 89,560.69 = 89,560.69 : x
2. Step 2: Convert to fraction form
   58,785.75/89,560.69 = 89,560.69/x
3. Step 3: Cross multiply
   58,785.75x = 89,560.69 × 89,560.69
4. Step 4: Simplify right side
   58,785.75x = 8,021,116,745.47
5. Step 5: Solve for x
   x = 8,021,116,745.47/58,785.75
6. Step 6: Final answer
   x = 136,446.62