Finding the Third Proportional to 838,478.25 and 1,185,300

Step by Step Solution

1. Step 1: Write the proportion equation
   838,478.25 : 1,185,300 = 1,185,300 : x
2. Step 2: Convert to fraction form
   838,478.25/1,185,300 = 1,185,300/x
3. Step 3: Cross multiply
   838,478.25x = 1,185,300 × 1,185,300
4. Step 4: Simplify right side
   838,478.25x = 1,404,936,090,000
5. Step 5: Solve for x
   x = 1,404,936,090,000/838,478.25
6. Step 6: Final answer
   x = 1,675,578.45