Finding the Third Proportional to 1,620,266 and 3,545,524

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,266 : 3,545,524 = 3,545,524 : x
2. Step 2: Convert to fraction form
   1,620,266/3,545,524 = 3,545,524/x
3. Step 3: Cross multiply
   1,620,266x = 3,545,524 × 3,545,524
4. Step 4: Simplify right side
   1,620,266x = 12,570,740,434,576
5. Step 5: Solve for x
   x = 12,570,740,434,576/1,620,266
6. Step 6: Final answer
   x = 7,758,442.40