Finding the Third Proportional to 1,620,897 and 3,527,202

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,897 : 3,527,202 = 3,527,202 : x
2. Step 2: Convert to fraction form
   1,620,897/3,527,202 = 3,527,202/x
3. Step 3: Cross multiply
   1,620,897x = 3,527,202 × 3,527,202
4. Step 4: Simplify right side
   1,620,897x = 12,441,153,948,804
5. Step 5: Solve for x
   x = 12,441,153,948,804/1,620,897
6. Step 6: Final answer
   x = 7,675,474.72