Finding the Third Proportional to 53,661.50 and 116,550

Step by Step Solution

1. Step 1: Write the proportion equation
   53,661.50 : 116,550 = 116,550 : x
2. Step 2: Convert to fraction form
   53,661.50/116,550 = 116,550/x
3. Step 3: Cross multiply
   53,661.50x = 116,550 × 116,550
4. Step 4: Simplify right side
   53,661.50x = 13,583,902,500
5. Step 5: Solve for x
   x = 13,583,902,500/53,661.50
6. Step 6: Final answer
   x = 253,140.57