Finding the Third Proportional to 847,708 and 1,841,216

Step by Step Solution

1. Step 1: Write the proportion equation
   847,708 : 1,841,216 = 1,841,216 : x
2. Step 2: Convert to fraction form
   847,708/1,841,216 = 1,841,216/x
3. Step 3: Cross multiply
   847,708x = 1,841,216 × 1,841,216
4. Step 4: Simplify right side
   847,708x = 3,390,076,358,656
5. Step 5: Solve for x
   x = 3,390,076,358,656/847,708
6. Step 6: Final answer
   x = 3,999,108.61