Finding the Third Proportional to 55,864 and 131,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,864 : 131,756.50 = 131,756.50 : x
2. Step 2: Convert to fraction form
   55,864/131,756.50 = 131,756.50/x
3. Step 3: Cross multiply
   55,864x = 131,756.50 × 131,756.50
4. Step 4: Simplify right side
   55,864x = 17,359,775,292.25
5. Step 5: Solve for x
   x = 17,359,775,292.25/55,864
6. Step 6: Final answer
   x = 310,750.67