Finding the Third Proportional to 1,677,072 and 3,619,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677,072 : 3,619,704 = 3,619,704 : x
2. Step 2: Convert to fraction form
   1,677,072/3,619,704 = 3,619,704/x
3. Step 3: Cross multiply
   1,677,072x = 3,619,704 × 3,619,704
4. Step 4: Simplify right side
   1,677,072x = 13,102,257,047,616
5. Step 5: Solve for x
   x = 13,102,257,047,616/1,677,072
6. Step 6: Final answer
   x = 7,812,578.74