Finding the Third Proportional to 1,330,272 and 2,057,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330,272 : 2,057,428 = 2,057,428 : x
2. Step 2: Convert to fraction form
   1,330,272/2,057,428 = 2,057,428/x
3. Step 3: Cross multiply
   1,330,272x = 2,057,428 × 2,057,428
4. Step 4: Simplify right side
   1,330,272x = 4,233,009,975,184
5. Step 5: Solve for x
   x = 4,233,009,975,184/1,330,272
6. Step 6: Final answer
   x = 3,182,063.50