Finding the Third Proportional to 1,388,326 and 2,097,281

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,326 : 2,097,281 = 2,097,281 : x
2. Step 2: Convert to fraction form
   1,388,326/2,097,281 = 2,097,281/x
3. Step 3: Cross multiply
   1,388,326x = 2,097,281 × 2,097,281
4. Step 4: Simplify right side
   1,388,326x = 4,398,587,592,961
5. Step 5: Solve for x
   x = 4,398,587,592,961/1,388,326
6. Step 6: Final answer
   x = 3,168,267.10