Finding the Third Proportional to 2,116,786 and 3,179,946

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,786 : 3,179,946 = 3,179,946 : x
2. Step 2: Convert to fraction form
   2,116,786/3,179,946 = 3,179,946/x
3. Step 3: Cross multiply
   2,116,786x = 3,179,946 × 3,179,946
4. Step 4: Simplify right side
   2,116,786x = 10,112,056,562,916
5. Step 5: Solve for x
   x = 10,112,056,562,916/2,116,786
6. Step 6: Final answer
   x = 4,777,080.24