Finding the Third Proportional to 67,340.91 and 146,504.86

Step by Step Solution

1. Step 1: Write the proportion equation
   67,340.91 : 146,504.86 = 146,504.86 : x
2. Step 2: Convert to fraction form
   67,340.91/146,504.86 = 146,504.86/x
3. Step 3: Cross multiply
   67,340.91x = 146,504.86 × 146,504.86
4. Step 4: Simplify right side
   67,340.91x = 21,463,673,820.49
5. Step 5: Solve for x
   x = 21,463,673,820.49/67,340.91
6. Step 6: Final answer
   x = 318,731.59