Finding the Third Proportional to 53,808.75 and 111,503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,808.75 : 111,503.25 = 111,503.25 : x
2. Step 2: Convert to fraction form
   53,808.75/111,503.25 = 111,503.25/x
3. Step 3: Cross multiply
   53,808.75x = 111,503.25 × 111,503.25
4. Step 4: Simplify right side
   53,808.75x = 12,432,974,760.56
5. Step 5: Solve for x
   x = 12,432,974,760.56/53,808.75
6. Step 6: Final answer
   x = 231,058.61