Finding the Third Proportional to 1,306,420 and 2,665,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,420 : 2,665,326 = 2,665,326 : x
2. Step 2: Convert to fraction form
   1,306,420/2,665,326 = 2,665,326/x
3. Step 3: Cross multiply
   1,306,420x = 2,665,326 × 2,665,326
4. Step 4: Simplify right side
   1,306,420x = 7,103,962,686,276
5. Step 5: Solve for x
   x = 7,103,962,686,276/1,306,420
6. Step 6: Final answer
   x = 5,437,732.65