Finding the Third Proportional to 164,984.50 and 325,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,984.50 : 325,184.50 = 325,184.50 : x
2. Step 2: Convert to fraction form
   164,984.50/325,184.50 = 325,184.50/x
3. Step 3: Cross multiply
   164,984.50x = 325,184.50 × 325,184.50
4. Step 4: Simplify right side
   164,984.50x = 105,744,959,040.25
5. Step 5: Solve for x
   x = 105,744,959,040.25/164,984.50
6. Step 6: Final answer
   x = 640,938.75