Finding the Third Proportional to 1,915,865 and 3,192,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,865 : 3,192,980 = 3,192,980 : x
2. Step 2: Convert to fraction form
   1,915,865/3,192,980 = 3,192,980/x
3. Step 3: Cross multiply
   1,915,865x = 3,192,980 × 3,192,980
4. Step 4: Simplify right side
   1,915,865x = 10,195,121,280,400
5. Step 5: Solve for x
   x = 10,195,121,280,400/1,915,865
6. Step 6: Final answer
   x = 5,321,419.45