Finding the Third Proportional to 57,555 and 91,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,555 : 91,624.50 = 91,624.50 : x
2. Step 2: Convert to fraction form
   57,555/91,624.50 = 91,624.50/x
3. Step 3: Cross multiply
   57,555x = 91,624.50 × 91,624.50
4. Step 4: Simplify right side
   57,555x = 8,395,049,000.25
5. Step 5: Solve for x
   x = 8,395,049,000.25/57,555
6. Step 6: Final answer
   x = 145,861.33