Finding the Third Proportional to 53,729.58 and 113,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,729.58 : 113,336.72 = 113,336.72 : x
2. Step 2: Convert to fraction form
   53,729.58/113,336.72 = 113,336.72/x
3. Step 3: Cross multiply
   53,729.58x = 113,336.72 × 113,336.72
4. Step 4: Simplify right side
   53,729.58x = 12,845,211,817.02
5. Step 5: Solve for x
   x = 12,845,211,817.02/53,729.58
6. Step 6: Final answer
   x = 239,071.52