Finding the Third Proportional to 1,233,180 and 2,690,459

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,180 : 2,690,459 = 2,690,459 : x
2. Step 2: Convert to fraction form
   1,233,180/2,690,459 = 2,690,459/x
3. Step 3: Cross multiply
   1,233,180x = 2,690,459 × 2,690,459
4. Step 4: Simplify right side
   1,233,180x = 7,238,569,630,681
5. Step 5: Solve for x
   x = 7,238,569,630,681/1,233,180
6. Step 6: Final answer
   x = 5,869,840.28