Finding the Third Proportional to 56,797.50 and 89,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,797.50 : 89,105.75 = 89,105.75 : x
2. Step 2: Convert to fraction form
   56,797.50/89,105.75 = 89,105.75/x
3. Step 3: Cross multiply
   56,797.50x = 89,105.75 × 89,105.75
4. Step 4: Simplify right side
   56,797.50x = 7,939,834,683.06
5. Step 5: Solve for x
   x = 7,939,834,683.06/56,797.50
6. Step 6: Final answer
   x = 139,791.97