Finding the Third Proportional to 53,440.50 and 84,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,440.50 : 84,617.25 = 84,617.25 : x
2. Step 2: Convert to fraction form
   53,440.50/84,617.25 = 84,617.25/x
3. Step 3: Cross multiply
   53,440.50x = 84,617.25 × 84,617.25
4. Step 4: Simplify right side
   53,440.50x = 7,160,078,997.56
5. Step 5: Solve for x
   x = 7,160,078,997.56/53,440.50
6. Step 6: Final answer
   x = 133,982.26