Finding the Third Proportional to 1,620,271 and 3,545,534

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,271 : 3,545,534 = 3,545,534 : x
2. Step 2: Convert to fraction form
   1,620,271/3,545,534 = 3,545,534/x
3. Step 3: Cross multiply
   1,620,271x = 3,545,534 × 3,545,534
4. Step 4: Simplify right side
   1,620,271x = 12,570,811,345,156
5. Step 5: Solve for x
   x = 12,570,811,345,156/1,620,271
6. Step 6: Final answer
   x = 7,758,462.22