Finding the Third Proportional to 1,396,512 and 2,135,358

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,512 : 2,135,358 = 2,135,358 : x
2. Step 2: Convert to fraction form
   1,396,512/2,135,358 = 2,135,358/x
3. Step 3: Cross multiply
   1,396,512x = 2,135,358 × 2,135,358
4. Step 4: Simplify right side
   1,396,512x = 4,559,753,788,164
5. Step 5: Solve for x
   x = 4,559,753,788,164/1,396,512
6. Step 6: Final answer
   x = 3,265,101.76