Finding the Third Proportional to 53,158.50 and 72,227.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,158.50 : 72,227.25 = 72,227.25 : x
2. Step 2: Convert to fraction form
   53,158.50/72,227.25 = 72,227.25/x
3. Step 3: Cross multiply
   53,158.50x = 72,227.25 × 72,227.25
4. Step 4: Simplify right side
   53,158.50x = 5,216,775,642.56
5. Step 5: Solve for x
   x = 5,216,775,642.56/53,158.50
6. Step 6: Final answer
   x = 98,136.25