Finding the Third Proportional to 53,160.75 and 72,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,160.75 : 72,229.50 = 72,229.50 : x
2. Step 2: Convert to fraction form
   53,160.75/72,229.50 = 72,229.50/x
3. Step 3: Cross multiply
   53,160.75x = 72,229.50 × 72,229.50
4. Step 4: Simplify right side
   53,160.75x = 5,217,100,670.25
5. Step 5: Solve for x
   x = 5,217,100,670.25/53,160.75
6. Step 6: Final answer
   x = 98,138.21