Finding the Third Proportional to 1,636,803 and 3,553,542

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,803 : 3,553,542 = 3,553,542 : x
2. Step 2: Convert to fraction form
   1,636,803/3,553,542 = 3,553,542/x
3. Step 3: Cross multiply
   1,636,803x = 3,553,542 × 3,553,542
4. Step 4: Simplify right side
   1,636,803x = 12,627,660,745,764
5. Step 5: Solve for x
   x = 12,627,660,745,764/1,636,803
6. Step 6: Final answer
   x = 7,714,832.36