Finding the Third Proportional to 301,852.50 and 622,842

Step by Step Solution

1. Step 1: Write the proportion equation
   301,852.50 : 622,842 = 622,842 : x
2. Step 2: Convert to fraction form
   301,852.50/622,842 = 622,842/x
3. Step 3: Cross multiply
   301,852.50x = 622,842 × 622,842
4. Step 4: Simplify right side
   301,852.50x = 387,932,156,964
5. Step 5: Solve for x
   x = 387,932,156,964/301,852.50
6. Step 6: Final answer
   x = 1,285,171.26