Finding the Third Proportional to 1,508,340 and 2,109,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508,340 : 2,109,872 = 2,109,872 : x
2. Step 2: Convert to fraction form
   1,508,340/2,109,872 = 2,109,872/x
3. Step 3: Cross multiply
   1,508,340x = 2,109,872 × 2,109,872
4. Step 4: Simplify right side
   1,508,340x = 4,451,559,856,384
5. Step 5: Solve for x
   x = 4,451,559,856,384/1,508,340
6. Step 6: Final answer
   x = 2,951,297.36