Finding the Third Proportional to 1,620,904 and 3,527,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,904 : 3,527,216 = 3,527,216 : x
2. Step 2: Convert to fraction form
   1,620,904/3,527,216 = 3,527,216/x
3. Step 3: Cross multiply
   1,620,904x = 3,527,216 × 3,527,216
4. Step 4: Simplify right side
   1,620,904x = 12,441,252,710,656
5. Step 5: Solve for x
   x = 12,441,252,710,656/1,620,904
6. Step 6: Final answer
   x = 7,675,502.50