Finding the Third Proportional to 1,398,548 and 3,018,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,548 : 3,018,280 = 3,018,280 : x
2. Step 2: Convert to fraction form
   1,398,548/3,018,280 = 3,018,280/x
3. Step 3: Cross multiply
   1,398,548x = 3,018,280 × 3,018,280
4. Step 4: Simplify right side
   1,398,548x = 9,110,014,158,400
5. Step 5: Solve for x
   x = 9,110,014,158,400/1,398,548
6. Step 6: Final answer
   x = 6,513,908.82