Finding the Third Proportional to 57,874.50 and 86,964.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,874.50 : 86,964.75 = 86,964.75 : x
2. Step 2: Convert to fraction form
   57,874.50/86,964.75 = 86,964.75/x
3. Step 3: Cross multiply
   57,874.50x = 86,964.75 × 86,964.75
4. Step 4: Simplify right side
   57,874.50x = 7,562,867,742.56
5. Step 5: Solve for x
   x = 7,562,867,742.56/57,874.50
6. Step 6: Final answer
   x = 130,677.03