Finding the Third Proportional to 590,958 and 1,288,842

Step by Step Solution

1. Step 1: Write the proportion equation
   590,958 : 1,288,842 = 1,288,842 : x
2. Step 2: Convert to fraction form
   590,958/1,288,842 = 1,288,842/x
3. Step 3: Cross multiply
   590,958x = 1,288,842 × 1,288,842
4. Step 4: Simplify right side
   590,958x = 1,661,113,700,964
5. Step 5: Solve for x
   x = 1,661,113,700,964/590,958
6. Step 6: Final answer
   x = 2,810,882.84