Finding the Third Proportional to 67,667.91 and 146,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,667.91 : 146,164.50 = 146,164.50 : x
2. Step 2: Convert to fraction form
   67,667.91/146,164.50 = 146,164.50/x
3. Step 3: Cross multiply
   67,667.91x = 146,164.50 × 146,164.50
4. Step 4: Simplify right side
   67,667.91x = 21,364,061,060.25
5. Step 5: Solve for x
   x = 21,364,061,060.25/67,667.91
6. Step 6: Final answer
   x = 315,719.26