Finding the Third Proportional to 1,578,135 and 3,451,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,135 : 3,451,578 = 3,451,578 : x
2. Step 2: Convert to fraction form
   1,578,135/3,451,578 = 3,451,578/x
3. Step 3: Cross multiply
   1,578,135x = 3,451,578 × 3,451,578
4. Step 4: Simplify right side
   1,578,135x = 11,913,390,690,084
5. Step 5: Solve for x
   x = 11,913,390,690,084/1,578,135
6. Step 6: Final answer
   x = 7,549,031.41