Finding the Third Proportional to 57,785 and 88,697

Step by Step Solution

1. Step 1: Write the proportion equation
   57,785 : 88,697 = 88,697 : x
2. Step 2: Convert to fraction form
   57,785/88,697 = 88,697/x
3. Step 3: Cross multiply
   57,785x = 88,697 × 88,697
4. Step 4: Simplify right side
   57,785x = 7,867,157,809
5. Step 5: Solve for x
   x = 7,867,157,809/57,785
6. Step 6: Final answer
   x = 136,145.33