Finding the Third Proportional to 1,620,170 and 3,545,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,170 : 3,545,476 = 3,545,476 : x
2. Step 2: Convert to fraction form
   1,620,170/3,545,476 = 3,545,476/x
3. Step 3: Cross multiply
   1,620,170x = 3,545,476 × 3,545,476
4. Step 4: Simplify right side
   1,620,170x = 12,570,400,066,576
5. Step 5: Solve for x
   x = 12,570,400,066,576/1,620,170
6. Step 6: Final answer
   x = 7,758,692.03