Finding the Third Proportional to 1,620,180 and 3,545,496

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,180 : 3,545,496 = 3,545,496 : x
2. Step 2: Convert to fraction form
   1,620,180/3,545,496 = 3,545,496/x
3. Step 3: Cross multiply
   1,620,180x = 3,545,496 × 3,545,496
4. Step 4: Simplify right side
   1,620,180x = 12,570,541,886,016
5. Step 5: Solve for x
   x = 12,570,541,886,016/1,620,180
6. Step 6: Final answer
   x = 7,758,731.68