Finding the Third Proportional to 1,388,325 and 2,097,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,325 : 2,097,280 = 2,097,280 : x
2. Step 2: Convert to fraction form
   1,388,325/2,097,280 = 2,097,280/x
3. Step 3: Cross multiply
   1,388,325x = 2,097,280 × 2,097,280
4. Step 4: Simplify right side
   1,388,325x = 4,398,583,398,400
5. Step 5: Solve for x
   x = 4,398,583,398,400/1,388,325
6. Step 6: Final answer
   x = 3,168,266.36