Finding the Third Proportional to 838,512 and 1,185,312

Step by Step Solution

1. Step 1: Write the proportion equation
   838,512 : 1,185,312 = 1,185,312 : x
2. Step 2: Convert to fraction form
   838,512/1,185,312 = 1,185,312/x
3. Step 3: Cross multiply
   838,512x = 1,185,312 × 1,185,312
4. Step 4: Simplify right side
   838,512x = 1,404,964,537,344
5. Step 5: Solve for x
   x = 1,404,964,537,344/838,512
6. Step 6: Final answer
   x = 1,675,544.94