Finding the Third Proportional to 1,553,868 and 3,381,192

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,868 : 3,381,192 = 3,381,192 : x
2. Step 2: Convert to fraction form
   1,553,868/3,381,192 = 3,381,192/x
3. Step 3: Cross multiply
   1,553,868x = 3,381,192 × 3,381,192
4. Step 4: Simplify right side
   1,553,868x = 11,432,459,340,864
5. Step 5: Solve for x
   x = 11,432,459,340,864/1,553,868
6. Step 6: Final answer
   x = 7,357,419.90