Finding the Third Proportional to 51,672.50 and 73,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,672.50 : 73,136.50 = 73,136.50 : x
2. Step 2: Convert to fraction form
   51,672.50/73,136.50 = 73,136.50/x
3. Step 3: Cross multiply
   51,672.50x = 73,136.50 × 73,136.50
4. Step 4: Simplify right side
   51,672.50x = 5,348,947,632.25
5. Step 5: Solve for x
   x = 5,348,947,632.25/51,672.50
6. Step 6: Final answer
   x = 103,516.33