Finding the Third Proportional to 91,771.75 and 188,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,771.75 : 188,485.25 = 188,485.25 : x
2. Step 2: Convert to fraction form
   91,771.75/188,485.25 = 188,485.25/x
3. Step 3: Cross multiply
   91,771.75x = 188,485.25 × 188,485.25
4. Step 4: Simplify right side
   91,771.75x = 35,526,689,467.56
5. Step 5: Solve for x
   x = 35,526,689,467.56/91,771.75
6. Step 6: Final answer
   x = 387,120.10