Finding the Third Proportional to 1,620,957 and 3,527,319

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,957 : 3,527,319 = 3,527,319 : x
2. Step 2: Convert to fraction form
   1,620,957/3,527,319 = 3,527,319/x
3. Step 3: Cross multiply
   1,620,957x = 3,527,319 × 3,527,319
4. Step 4: Simplify right side
   1,620,957x = 12,441,979,327,761
5. Step 5: Solve for x
   x = 12,441,979,327,761/1,620,957
6. Step 6: Final answer
   x = 7,675,699.80