Finding the Third Proportional to 838,528 and 1,185,378

Step by Step Solution

1. Step 1: Write the proportion equation
   838,528 : 1,185,378 = 1,185,378 : x
2. Step 2: Convert to fraction form
   838,528/1,185,378 = 1,185,378/x
3. Step 3: Cross multiply
   838,528x = 1,185,378 × 1,185,378
4. Step 4: Simplify right side
   838,528x = 1,405,121,002,884
5. Step 5: Solve for x
   x = 1,405,121,002,884/838,528
6. Step 6: Final answer
   x = 1,675,699.56