Finding the Third Proportional to 1,145,812 and 2,520,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,812 : 2,520,428 = 2,520,428 : x
2. Step 2: Convert to fraction form
   1,145,812/2,520,428 = 2,520,428/x
3. Step 3: Cross multiply
   1,145,812x = 2,520,428 × 2,520,428
4. Step 4: Simplify right side
   1,145,812x = 6,352,557,303,184
5. Step 5: Solve for x
   x = 6,352,557,303,184/1,145,812
6. Step 6: Final answer
   x = 5,544,153.23