Finding the Third Proportional to 53,720 and 113,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,720 : 113,842.50 = 113,842.50 : x
2. Step 2: Convert to fraction form
   53,720/113,842.50 = 113,842.50/x
3. Step 3: Cross multiply
   53,720x = 113,842.50 × 113,842.50
4. Step 4: Simplify right side
   53,720x = 12,960,114,806.25
5. Step 5: Solve for x
   x = 12,960,114,806.25/53,720
6. Step 6: Final answer
   x = 241,253.07