Finding the Third Proportional to 206,064 and 325,690.88

Step by Step Solution

1. Step 1: Write the proportion equation
   206,064 : 325,690.88 = 325,690.88 : x
2. Step 2: Convert to fraction form
   206,064/325,690.88 = 325,690.88/x
3. Step 3: Cross multiply
   206,064x = 325,690.88 × 325,690.88
4. Step 4: Simplify right side
   206,064x = 106,074,546,058.27
5. Step 5: Solve for x
   x = 106,074,546,058.27/206,064
6. Step 6: Final answer
   x = 514,765.05