Finding the Third Proportional to 1,198,328 and 2,608,264

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,328 : 2,608,264 = 2,608,264 : x
2. Step 2: Convert to fraction form
   1,198,328/2,608,264 = 2,608,264/x
3. Step 3: Cross multiply
   1,198,328x = 2,608,264 × 2,608,264
4. Step 4: Simplify right side
   1,198,328x = 6,803,041,093,696
5. Step 5: Solve for x
   x = 6,803,041,093,696/1,198,328
6. Step 6: Final answer
   x = 5,677,111.02