Finding the Third Proportional to 2,390,781 and 3,593,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,781 : 3,593,178 = 3,593,178 : x
2. Step 2: Convert to fraction form
   2,390,781/3,593,178 = 3,593,178/x
3. Step 3: Cross multiply
   2,390,781x = 3,593,178 × 3,593,178
4. Step 4: Simplify right side
   2,390,781x = 12,910,928,139,684
5. Step 5: Solve for x
   x = 12,910,928,139,684/2,390,781
6. Step 6: Final answer
   x = 5,400,297.28