Finding the Third Proportional to 838,386 and 1,185,165

Step by Step Solution

1. Step 1: Write the proportion equation
   838,386 : 1,185,165 = 1,185,165 : x
2. Step 2: Convert to fraction form
   838,386/1,185,165 = 1,185,165/x
3. Step 3: Cross multiply
   838,386x = 1,185,165 × 1,185,165
4. Step 4: Simplify right side
   838,386x = 1,404,616,077,225
5. Step 5: Solve for x
   x = 1,404,616,077,225/838,386
6. Step 6: Final answer
   x = 1,675,381.12