Finding the Third Proportional to 2,145,729 and 4,466,031

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,729 : 4,466,031 = 4,466,031 : x
2. Step 2: Convert to fraction form
   2,145,729/4,466,031 = 4,466,031/x
3. Step 3: Cross multiply
   2,145,729x = 4,466,031 × 4,466,031
4. Step 4: Simplify right side
   2,145,729x = 19,945,432,892,961
5. Step 5: Solve for x
   x = 19,945,432,892,961/2,145,729
6. Step 6: Final answer
   x = 9,295,410.97