Finding the Third Proportional to 67,659.75 and 146,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,659.75 : 146,801.25 = 146,801.25 : x
2. Step 2: Convert to fraction form
   67,659.75/146,801.25 = 146,801.25/x
3. Step 3: Cross multiply
   67,659.75x = 146,801.25 × 146,801.25
4. Step 4: Simplify right side
   67,659.75x = 21,550,607,001.56
5. Step 5: Solve for x
   x = 21,550,607,001.56/67,659.75
6. Step 6: Final answer
   x = 318,514.43