Finding the Third Proportional to 53,910.56 and 117,610.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,910.56 : 117,610.88 = 117,610.88 : x
2. Step 2: Convert to fraction form
   53,910.56/117,610.88 = 117,610.88/x
3. Step 3: Cross multiply
   53,910.56x = 117,610.88 × 117,610.88
4. Step 4: Simplify right side
   53,910.56x = 13,832,317,918.27
5. Step 5: Solve for x
   x = 13,832,317,918.27/53,910.56
6. Step 6: Final answer
   x = 256,578.99