Finding the Third Proportional to 1,620,163 and 3,545,462

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,163 : 3,545,462 = 3,545,462 : x
2. Step 2: Convert to fraction form
   1,620,163/3,545,462 = 3,545,462/x
3. Step 3: Cross multiply
   1,620,163x = 3,545,462 × 3,545,462
4. Step 4: Simplify right side
   1,620,163x = 12,570,300,793,444
5. Step 5: Solve for x
   x = 12,570,300,793,444/1,620,163
6. Step 6: Final answer
   x = 7,758,664.28