Finding the Third Proportional to 657,292 and 1,345,664

Step by Step Solution

1. Step 1: Write the proportion equation
   657,292 : 1,345,664 = 1,345,664 : x
2. Step 2: Convert to fraction form
   657,292/1,345,664 = 1,345,664/x
3. Step 3: Cross multiply
   657,292x = 1,345,664 × 1,345,664
4. Step 4: Simplify right side
   657,292x = 1,810,811,600,896
5. Step 5: Solve for x
   x = 1,810,811,600,896/657,292
6. Step 6: Final answer
   x = 2,754,957.62