Finding the Third Proportional to 1,620,921 and 3,527,250

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,921 : 3,527,250 = 3,527,250 : x
2. Step 2: Convert to fraction form
   1,620,921/3,527,250 = 3,527,250/x
3. Step 3: Cross multiply
   1,620,921x = 3,527,250 × 3,527,250
4. Step 4: Simplify right side
   1,620,921x = 12,441,492,562,500
5. Step 5: Solve for x
   x = 12,441,492,562,500/1,620,921
6. Step 6: Final answer
   x = 7,675,569.98