Finding the Third Proportional to 152,900 and 326,726

Step by Step Solution

1. Step 1: Write the proportion equation
   152,900 : 326,726 = 326,726 : x
2. Step 2: Convert to fraction form
   152,900/326,726 = 326,726/x
3. Step 3: Cross multiply
   152,900x = 326,726 × 326,726
4. Step 4: Simplify right side
   152,900x = 106,749,879,076
5. Step 5: Solve for x
   x = 106,749,879,076/152,900
6. Step 6: Final answer
   x = 698,167.95