Finding the Third Proportional to 1,643,354 and 3,589,143

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,354 : 3,589,143 = 3,589,143 : x
2. Step 2: Convert to fraction form
   1,643,354/3,589,143 = 3,589,143/x
3. Step 3: Cross multiply
   1,643,354x = 3,589,143 × 3,589,143
4. Step 4: Simplify right side
   1,643,354x = 12,881,947,474,449
5. Step 5: Solve for x
   x = 12,881,947,474,449/1,643,354
6. Step 6: Final answer
   x = 7,838,814.69