Finding the Third Proportional to 1,438,340 and 3,100,846

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,340 : 3,100,846 = 3,100,846 : x
2. Step 2: Convert to fraction form
   1,438,340/3,100,846 = 3,100,846/x
3. Step 3: Cross multiply
   1,438,340x = 3,100,846 × 3,100,846
4. Step 4: Simplify right side
   1,438,340x = 9,615,245,915,716
5. Step 5: Solve for x
   x = 9,615,245,915,716/1,438,340
6. Step 6: Final answer
   x = 6,684,960.38