Finding the Third Proportional to 1,689,566 and 3,498,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,566 : 3,498,840 = 3,498,840 : x
2. Step 2: Convert to fraction form
   1,689,566/3,498,840 = 3,498,840/x
3. Step 3: Cross multiply
   1,689,566x = 3,498,840 × 3,498,840
4. Step 4: Simplify right side
   1,689,566x = 12,241,881,345,600
5. Step 5: Solve for x
   x = 12,241,881,345,600/1,689,566
6. Step 6: Final answer
   x = 7,245,577.47