Finding the Third Proportional to 838,378 and 1,185,151

Step by Step Solution

1. Step 1: Write the proportion equation
   838,378 : 1,185,151 = 1,185,151 : x
2. Step 2: Convert to fraction form
   838,378/1,185,151 = 1,185,151/x
3. Step 3: Cross multiply
   838,378x = 1,185,151 × 1,185,151
4. Step 4: Simplify right side
   838,378x = 1,404,582,892,801
5. Step 5: Solve for x
   x = 1,404,582,892,801/838,378
6. Step 6: Final answer
   x = 1,675,357.53