Finding the Third Proportional to 37,273.50 and 72,679.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,273.50 : 72,679.50 = 72,679.50 : x
2. Step 2: Convert to fraction form
   37,273.50/72,679.50 = 72,679.50/x
3. Step 3: Cross multiply
   37,273.50x = 72,679.50 × 72,679.50
4. Step 4: Simplify right side
   37,273.50x = 5,282,309,720.25
5. Step 5: Solve for x
   x = 5,282,309,720.25/37,273.50
6. Step 6: Final answer
   x = 141,717.57