Finding the Third Proportional to 3,534,590 and 5,439,670

Step by Step Solution

1. Step 1: Write the proportion equation
   3,534,590 : 5,439,670 = 5,439,670 : x
2. Step 2: Convert to fraction form
   3,534,590/5,439,670 = 5,439,670/x
3. Step 3: Cross multiply
   3,534,590x = 5,439,670 × 5,439,670
4. Step 4: Simplify right side
   3,534,590x = 29,590,009,708,900
5. Step 5: Solve for x
   x = 29,590,009,708,900/3,534,590
6. Step 6: Final answer
   x = 8,371,553.62