Finding the Third Proportional to 1,578,071 and 3,451,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,071 : 3,451,374 = 3,451,374 : x
2. Step 2: Convert to fraction form
   1,578,071/3,451,374 = 3,451,374/x
3. Step 3: Cross multiply
   1,578,071x = 3,451,374 × 3,451,374
4. Step 4: Simplify right side
   1,578,071x = 11,911,982,487,876
5. Step 5: Solve for x
   x = 11,911,982,487,876/1,578,071
6. Step 6: Final answer
   x = 7,548,445.21