Finding the Third Proportional to 1,140,246 and 2,478,956

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,246 : 2,478,956 = 2,478,956 : x
2. Step 2: Convert to fraction form
   1,140,246/2,478,956 = 2,478,956/x
3. Step 3: Cross multiply
   1,140,246x = 2,478,956 × 2,478,956
4. Step 4: Simplify right side
   1,140,246x = 6,145,222,849,936
5. Step 5: Solve for x
   x = 6,145,222,849,936/1,140,246
6. Step 6: Final answer
   x = 5,389,383.39