Finding the Third Proportional to 1,396,460 and 2,135,271

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,460 : 2,135,271 = 2,135,271 : x
2. Step 2: Convert to fraction form
   1,396,460/2,135,271 = 2,135,271/x
3. Step 3: Cross multiply
   1,396,460x = 2,135,271 × 2,135,271
4. Step 4: Simplify right side
   1,396,460x = 4,559,382,243,441
5. Step 5: Solve for x
   x = 4,559,382,243,441/1,396,460
6. Step 6: Final answer
   x = 3,264,957.28