Finding the Third Proportional to 1,719,370 and 3,578,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,370 : 3,578,290 = 3,578,290 : x
2. Step 2: Convert to fraction form
   1,719,370/3,578,290 = 3,578,290/x
3. Step 3: Cross multiply
   1,719,370x = 3,578,290 × 3,578,290
4. Step 4: Simplify right side
   1,719,370x = 12,804,159,324,100
5. Step 5: Solve for x
   x = 12,804,159,324,100/1,719,370
6. Step 6: Final answer
   x = 7,447,006.36