Finding the Third Proportional to 67,513.78 and 146,934.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,513.78 : 146,934.56 = 146,934.56 : x
2. Step 2: Convert to fraction form
   67,513.78/146,934.56 = 146,934.56/x
3. Step 3: Cross multiply
   67,513.78x = 146,934.56 × 146,934.56
4. Step 4: Simplify right side
   67,513.78x = 21,589,765,657.07
5. Step 5: Solve for x
   x = 21,589,765,657.07/67,513.78
6. Step 6: Final answer
   x = 319,783.09