Finding the Third Proportional to 59,956 and 86,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,956 : 86,618.50 = 86,618.50 : x
2. Step 2: Convert to fraction form
   59,956/86,618.50 = 86,618.50/x
3. Step 3: Cross multiply
   59,956x = 86,618.50 × 86,618.50
4. Step 4: Simplify right side
   59,956x = 7,502,764,542.25
5. Step 5: Solve for x
   x = 7,502,764,542.25/59,956
6. Step 6: Final answer
   x = 125,137.84