Finding the Third Proportional to 1,553,856 and 3,381,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,856 : 3,381,168 = 3,381,168 : x
2. Step 2: Convert to fraction form
   1,553,856/3,381,168 = 3,381,168/x
3. Step 3: Cross multiply
   1,553,856x = 3,381,168 × 3,381,168
4. Step 4: Simplify right side
   1,553,856x = 11,432,297,044,224
5. Step 5: Solve for x
   x = 11,432,297,044,224/1,553,856
6. Step 6: Final answer
   x = 7,357,372.27