Finding the Third Proportional to 756,864 and 1,658,880

Step by Step Solution

1. Step 1: Write the proportion equation
   756,864 : 1,658,880 = 1,658,880 : x
2. Step 2: Convert to fraction form
   756,864/1,658,880 = 1,658,880/x
3. Step 3: Cross multiply
   756,864x = 1,658,880 × 1,658,880
4. Step 4: Simplify right side
   756,864x = 2,751,882,854,400
5. Step 5: Solve for x
   x = 2,751,882,854,400/756,864
6. Step 6: Final answer
   x = 3,635,901.37