Finding the Third Proportional to 1,151,919 and 2,559,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,919 : 2,559,510 = 2,559,510 : x
2. Step 2: Convert to fraction form
   1,151,919/2,559,510 = 2,559,510/x
3. Step 3: Cross multiply
   1,151,919x = 2,559,510 × 2,559,510
4. Step 4: Simplify right side
   1,151,919x = 6,551,091,440,100
5. Step 5: Solve for x
   x = 6,551,091,440,100/1,151,919
6. Step 6: Final answer
   x = 5,687,111.19