Finding the Third Proportional to 37,809.50 and 51,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,809.50 : 51,379.50 = 51,379.50 : x
2. Step 2: Convert to fraction form
   37,809.50/51,379.50 = 51,379.50/x
3. Step 3: Cross multiply
   37,809.50x = 51,379.50 × 51,379.50
4. Step 4: Simplify right side
   37,809.50x = 2,639,853,020.25
5. Step 5: Solve for x
   x = 2,639,853,020.25/37,809.50
6. Step 6: Final answer
   x = 69,819.83