Finding the Third Proportional to 873,945 and 1,869,336

Step by Step Solution

1. Step 1: Write the proportion equation
   873,945 : 1,869,336 = 1,869,336 : x
2. Step 2: Convert to fraction form
   873,945/1,869,336 = 1,869,336/x
3. Step 3: Cross multiply
   873,945x = 1,869,336 × 1,869,336
4. Step 4: Simplify right side
   873,945x = 3,494,417,080,896
5. Step 5: Solve for x
   x = 3,494,417,080,896/873,945
6. Step 6: Final answer
   x = 3,998,440.50