Finding the Third Proportional to 25,111.50 and 54,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.50 : 54,109.50 = 54,109.50 : x
2. Step 2: Convert to fraction form
   25,111.50/54,109.50 = 54,109.50/x
3. Step 3: Cross multiply
   25,111.50x = 54,109.50 × 54,109.50
4. Step 4: Simplify right side
   25,111.50x = 2,927,837,990.25
5. Step 5: Solve for x
   x = 2,927,837,990.25/25,111.50
6. Step 6: Final answer
   x = 116,593.51