Finding the Third Proportional to 1,140,355 and 2,449,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,355 : 2,449,178 = 2,449,178 : x
2. Step 2: Convert to fraction form
   1,140,355/2,449,178 = 2,449,178/x
3. Step 3: Cross multiply
   1,140,355x = 2,449,178 × 2,449,178
4. Step 4: Simplify right side
   1,140,355x = 5,998,472,875,684
5. Step 5: Solve for x
   x = 5,998,472,875,684/1,140,355
6. Step 6: Final answer
   x = 5,260,180.27