Finding the Third Proportional to 1,553,862 and 3,381,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,862 : 3,381,180 = 3,381,180 : x
2. Step 2: Convert to fraction form
   1,553,862/3,381,180 = 3,381,180/x
3. Step 3: Cross multiply
   1,553,862x = 3,381,180 × 3,381,180
4. Step 4: Simplify right side
   1,553,862x = 11,432,378,192,400
5. Step 5: Solve for x
   x = 11,432,378,192,400/1,553,862
6. Step 6: Final answer
   x = 7,357,396.08