Finding the Third Proportional to 646,292 and 1,323,928

Step by Step Solution

1. Step 1: Write the proportion equation
   646,292 : 1,323,928 = 1,323,928 : x
2. Step 2: Convert to fraction form
   646,292/1,323,928 = 1,323,928/x
3. Step 3: Cross multiply
   646,292x = 1,323,928 × 1,323,928
4. Step 4: Simplify right side
   646,292x = 1,752,785,349,184
5. Step 5: Solve for x
   x = 1,752,785,349,184/646,292
6. Step 6: Final answer
   x = 2,712,064.13