Finding the Third Proportional to 1,665,485 and 3,583,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,485 : 3,583,570 = 3,583,570 : x
2. Step 2: Convert to fraction form
   1,665,485/3,583,570 = 3,583,570/x
3. Step 3: Cross multiply
   1,665,485x = 3,583,570 × 3,583,570
4. Step 4: Simplify right side
   1,665,485x = 12,841,973,944,900
5. Step 5: Solve for x
   x = 12,841,973,944,900/1,665,485
6. Step 6: Final answer
   x = 7,710,651.22