Finding the Third Proportional to 1,183,128 and 2,590,110

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,128 : 2,590,110 = 2,590,110 : x
2. Step 2: Convert to fraction form
   1,183,128/2,590,110 = 2,590,110/x
3. Step 3: Cross multiply
   1,183,128x = 2,590,110 × 2,590,110
4. Step 4: Simplify right side
   1,183,128x = 6,708,669,812,100
5. Step 5: Solve for x
   x = 6,708,669,812,100/1,183,128
6. Step 6: Final answer
   x = 5,670,282.35