Finding the Third Proportional to 67,306.63 and 146,837.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,306.63 : 146,837.38 = 146,837.38 : x
2. Step 2: Convert to fraction form
   67,306.63/146,837.38 = 146,837.38/x
3. Step 3: Cross multiply
   67,306.63x = 146,837.38 × 146,837.38
4. Step 4: Simplify right side
   67,306.63x = 21,561,214,696.89
5. Step 5: Solve for x
   x = 21,561,214,696.89/67,306.63
6. Step 6: Final answer
   x = 320,343.13