Finding the Third Proportional to 20,979 and 37,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,979 : 37,624.50 = 37,624.50 : x
2. Step 2: Convert to fraction form
   20,979/37,624.50 = 37,624.50/x
3. Step 3: Cross multiply
   20,979x = 37,624.50 × 37,624.50
4. Step 4: Simplify right side
   20,979x = 1,415,603,000.25
5. Step 5: Solve for x
   x = 1,415,603,000.25/20,979
6. Step 6: Final answer
   x = 67,477.14