Finding the Third Proportional to 1,307,009 and 1,998,962

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,009 : 1,998,962 = 1,998,962 : x
2. Step 2: Convert to fraction form
   1,307,009/1,998,962 = 1,998,962/x
3. Step 3: Cross multiply
   1,307,009x = 1,998,962 × 1,998,962
4. Step 4: Simplify right side
   1,307,009x = 3,995,849,077,444
5. Step 5: Solve for x
   x = 3,995,849,077,444/1,307,009
6. Step 6: Final answer
   x = 3,057,246.80