Finding the Third Proportional to 648,246 and 1,413,456

Step by Step Solution

1. Step 1: Write the proportion equation
   648,246 : 1,413,456 = 1,413,456 : x
2. Step 2: Convert to fraction form
   648,246/1,413,456 = 1,413,456/x
3. Step 3: Cross multiply
   648,246x = 1,413,456 × 1,413,456
4. Step 4: Simplify right side
   648,246x = 1,997,857,863,936
5. Step 5: Solve for x
   x = 1,997,857,863,936/648,246
6. Step 6: Final answer
   x = 3,081,943.99