Finding the Third Proportional to 1,620,924 and 3,527,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,924 : 3,527,256 = 3,527,256 : x
2. Step 2: Convert to fraction form
   1,620,924/3,527,256 = 3,527,256/x
3. Step 3: Cross multiply
   1,620,924x = 3,527,256 × 3,527,256
4. Step 4: Simplify right side
   1,620,924x = 12,441,534,889,536
5. Step 5: Solve for x
   x = 12,441,534,889,536/1,620,924
6. Step 6: Final answer
   x = 7,675,581.88