Finding the Third Proportional to 1,620,282 and 3,545,548

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,282 : 3,545,548 = 3,545,548 : x
2. Step 2: Convert to fraction form
   1,620,282/3,545,548 = 3,545,548/x
3. Step 3: Cross multiply
   1,620,282x = 3,545,548 × 3,545,548
4. Step 4: Simplify right side
   1,620,282x = 12,570,910,620,304
5. Step 5: Solve for x
   x = 12,570,910,620,304/1,620,282
6. Step 6: Final answer
   x = 7,758,470.82