Finding the Third Proportional to 1,578,007 and 3,451,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,007 : 3,451,254 = 3,451,254 : x
2. Step 2: Convert to fraction form
   1,578,007/3,451,254 = 3,451,254/x
3. Step 3: Cross multiply
   1,578,007x = 3,451,254 × 3,451,254
4. Step 4: Simplify right side
   1,578,007x = 11,911,154,172,516
5. Step 5: Solve for x
   x = 11,911,154,172,516/1,578,007
6. Step 6: Final answer
   x = 7,548,226.45