Finding the Third Proportional to 149,260 and 326,870

Step by Step Solution

1. Step 1: Write the proportion equation
   149,260 : 326,870 = 326,870 : x
2. Step 2: Convert to fraction form
   149,260/326,870 = 326,870/x
3. Step 3: Cross multiply
   149,260x = 326,870 × 326,870
4. Step 4: Simplify right side
   149,260x = 106,843,996,900
5. Step 5: Solve for x
   x = 106,843,996,900/149,260
6. Step 6: Final answer
   x = 715,824.71