Finding the Third Proportional to 91,173.94 and 122,740.31

Step by Step Solution

1. Step 1: Write the proportion equation
   91,173.94 : 122,740.31 = 122,740.31 : x
2. Step 2: Convert to fraction form
   91,173.94/122,740.31 = 122,740.31/x
3. Step 3: Cross multiply
   91,173.94x = 122,740.31 × 122,740.31
4. Step 4: Simplify right side
   91,173.94x = 15,065,184,312.60
5. Step 5: Solve for x
   x = 15,065,184,312.60/91,173.94
6. Step 6: Final answer
   x = 165,235.64