Finding the Third Proportional to 55,816.50 and 131,736

Step by Step Solution

1. Step 1: Write the proportion equation
   55,816.50 : 131,736 = 131,736 : x
2. Step 2: Convert to fraction form
   55,816.50/131,736 = 131,736/x
3. Step 3: Cross multiply
   55,816.50x = 131,736 × 131,736
4. Step 4: Simplify right side
   55,816.50x = 17,354,373,696
5. Step 5: Solve for x
   x = 17,354,373,696/55,816.50
6. Step 6: Final answer
   x = 310,918.34