Finding the Third Proportional to 149,012 and 325,870

Step by Step Solution

1. Step 1: Write the proportion equation
   149,012 : 325,870 = 325,870 : x
2. Step 2: Convert to fraction form
   149,012/325,870 = 325,870/x
3. Step 3: Cross multiply
   149,012x = 325,870 × 325,870
4. Step 4: Simplify right side
   149,012x = 106,191,256,900
5. Step 5: Solve for x
   x = 106,191,256,900/149,012
6. Step 6: Final answer
   x = 712,635.61