Finding the Third Proportional to 1,689,570 and 3,498,909

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,570 : 3,498,909 = 3,498,909 : x
2. Step 2: Convert to fraction form
   1,689,570/3,498,909 = 3,498,909/x
3. Step 3: Cross multiply
   1,689,570x = 3,498,909 × 3,498,909
4. Step 4: Simplify right side
   1,689,570x = 12,242,364,190,281
5. Step 5: Solve for x
   x = 12,242,364,190,281/1,689,570
6. Step 6: Final answer
   x = 7,245,846.10