Finding the Third Proportional to 1,584,218 and 3,407,234

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,218 : 3,407,234 = 3,407,234 : x
2. Step 2: Convert to fraction form
   1,584,218/3,407,234 = 3,407,234/x
3. Step 3: Cross multiply
   1,584,218x = 3,407,234 × 3,407,234
4. Step 4: Simplify right side
   1,584,218x = 11,609,243,530,756
5. Step 5: Solve for x
   x = 11,609,243,530,756/1,584,218
6. Step 6: Final answer
   x = 7,328,059.35