Finding the Third Proportional to 1,620,274 and 3,545,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,274 : 3,545,532 = 3,545,532 : x
2. Step 2: Convert to fraction form
   1,620,274/3,545,532 = 3,545,532/x
3. Step 3: Cross multiply
   1,620,274x = 3,545,532 × 3,545,532
4. Step 4: Simplify right side
   1,620,274x = 12,570,797,163,024
5. Step 5: Solve for x
   x = 12,570,797,163,024/1,620,274
6. Step 6: Final answer
   x = 7,758,439.11