Finding the Third Proportional to 300,862 and 660,764

Step by Step Solution

1. Step 1: Write the proportion equation
   300,862 : 660,764 = 660,764 : x
2. Step 2: Convert to fraction form
   300,862/660,764 = 660,764/x
3. Step 3: Cross multiply
   300,862x = 660,764 × 660,764
4. Step 4: Simplify right side
   300,862x = 436,609,063,696
5. Step 5: Solve for x
   x = 436,609,063,696/300,862
6. Step 6: Final answer
   x = 1,451,193.78