Finding the Third Proportional to 657,864 and 1,434,528

Step by Step Solution

1. Step 1: Write the proportion equation
   657,864 : 1,434,528 = 1,434,528 : x
2. Step 2: Convert to fraction form
   657,864/1,434,528 = 1,434,528/x
3. Step 3: Cross multiply
   657,864x = 1,434,528 × 1,434,528
4. Step 4: Simplify right side
   657,864x = 2,057,870,582,784
5. Step 5: Solve for x
   x = 2,057,870,582,784/657,864
6. Step 6: Final answer
   x = 3,128,109.43