Finding the Third Proportional to 1,578,100 and 3,451,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,100 : 3,451,428 = 3,451,428 : x
2. Step 2: Convert to fraction form
   1,578,100/3,451,428 = 3,451,428/x
3. Step 3: Cross multiply
   1,578,100x = 3,451,428 × 3,451,428
4. Step 4: Simplify right side
   1,578,100x = 11,912,355,239,184
5. Step 5: Solve for x
   x = 11,912,355,239,184/1,578,100
6. Step 6: Final answer
   x = 7,548,542.70