Finding the Third Proportional to 873,978 and 1,906,842

Step by Step Solution

1. Step 1: Write the proportion equation
   873,978 : 1,906,842 = 1,906,842 : x
2. Step 2: Convert to fraction form
   873,978/1,906,842 = 1,906,842/x
3. Step 3: Cross multiply
   873,978x = 1,906,842 × 1,906,842
4. Step 4: Simplify right side
   873,978x = 3,636,046,412,964
5. Step 5: Solve for x
   x = 3,636,046,412,964/873,978
6. Step 6: Final answer
   x = 4,160,340.89