Finding the Third Proportional to 1,578,117 and 3,451,470

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,117 : 3,451,470 = 3,451,470 : x
2. Step 2: Convert to fraction form
   1,578,117/3,451,470 = 3,451,470/x
3. Step 3: Cross multiply
   1,578,117x = 3,451,470 × 3,451,470
4. Step 4: Simplify right side
   1,578,117x = 11,912,645,160,900
5. Step 5: Solve for x
   x = 11,912,645,160,900/1,578,117
6. Step 6: Final answer
   x = 7,548,645.10