Finding the Third Proportional to 1,330,276 and 2,057,434

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330,276 : 2,057,434 = 2,057,434 : x
2. Step 2: Convert to fraction form
   1,330,276/2,057,434 = 2,057,434/x
3. Step 3: Cross multiply
   1,330,276x = 2,057,434 × 2,057,434
4. Step 4: Simplify right side
   1,330,276x = 4,233,034,664,356
5. Step 5: Solve for x
   x = 4,233,034,664,356/1,330,276
6. Step 6: Final answer
   x = 3,182,072.49