Finding the Third Proportional to 1,578,132 and 3,451,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,132 : 3,451,572 = 3,451,572 : x
2. Step 2: Convert to fraction form
   1,578,132/3,451,572 = 3,451,572/x
3. Step 3: Cross multiply
   1,578,132x = 3,451,572 × 3,451,572
4. Step 4: Simplify right side
   1,578,132x = 11,913,349,271,184
5. Step 5: Solve for x
   x = 11,913,349,271,184/1,578,132
6. Step 6: Final answer
   x = 7,549,019.52