Finding the Third Proportional to 67,279.36 and 146,379.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67,279.36 : 146,379.02 = 146,379.02 : x
2. Step 2: Convert to fraction form
   67,279.36/146,379.02 = 146,379.02/x
3. Step 3: Cross multiply
   67,279.36x = 146,379.02 × 146,379.02
4. Step 4: Simplify right side
   67,279.36x = 21,426,818,502.52
5. Step 5: Solve for x
   x = 21,426,818,502.52/67,279.36
6. Step 6: Final answer
   x = 318,475.36