Finding the Third Proportional to 59,688 and 89,682.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,688 : 89,682.75 = 89,682.75 : x
2. Step 2: Convert to fraction form
   59,688/89,682.75 = 89,682.75/x
3. Step 3: Cross multiply
   59,688x = 89,682.75 × 89,682.75
4. Step 4: Simplify right side
   59,688x = 8,042,995,647.56
5. Step 5: Solve for x
   x = 8,042,995,647.56/59,688
6. Step 6: Final answer
   x = 134,750.63