Finding the Third Proportional to 147,567.50 and 326,144

Step by Step Solution

1. Step 1: Write the proportion equation
   147,567.50 : 326,144 = 326,144 : x
2. Step 2: Convert to fraction form
   147,567.50/326,144 = 326,144/x
3. Step 3: Cross multiply
   147,567.50x = 326,144 × 326,144
4. Step 4: Simplify right side
   147,567.50x = 106,369,908,736
5. Step 5: Solve for x
   x = 106,369,908,736/147,567.50
6. Step 6: Final answer
   x = 720,822.06