Finding the Third Proportional to 648,248 and 1,413,460

Step by Step Solution

1. Step 1: Write the proportion equation
   648,248 : 1,413,460 = 1,413,460 : x
2. Step 2: Convert to fraction form
   648,248/1,413,460 = 1,413,460/x
3. Step 3: Cross multiply
   648,248x = 1,413,460 × 1,413,460
4. Step 4: Simplify right side
   648,248x = 1,997,869,171,600
5. Step 5: Solve for x
   x = 1,997,869,171,600/648,248
6. Step 6: Final answer
   x = 3,081,951.93