Finding the Third Proportional to 1,773,705 and 3,878,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773,705 : 3,878,656 = 3,878,656 : x
2. Step 2: Convert to fraction form
   1,773,705/3,878,656 = 3,878,656/x
3. Step 3: Cross multiply
   1,773,705x = 3,878,656 × 3,878,656
4. Step 4: Simplify right side
   1,773,705x = 15,043,972,366,336
5. Step 5: Solve for x
   x = 15,043,972,366,336/1,773,705
6. Step 6: Final answer
   x = 8,481,665.42