Finding the Third Proportional to 3,445,476 and 8,047,578

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,476 : 8,047,578 = 8,047,578 : x
2. Step 2: Convert to fraction form
   3,445,476/8,047,578 = 8,047,578/x
3. Step 3: Cross multiply
   3,445,476x = 8,047,578 × 8,047,578
4. Step 4: Simplify right side
   3,445,476x = 64,763,511,666,084
5. Step 5: Solve for x
   x = 64,763,511,666,084/3,445,476
6. Step 6: Final answer
   x = 18,796,680.54