Finding the Third Proportional to 2,116,798 and 3,179,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,798 : 3,179,964 = 3,179,964 : x
2. Step 2: Convert to fraction form
   2,116,798/3,179,964 = 3,179,964/x
3. Step 3: Cross multiply
   2,116,798x = 3,179,964 × 3,179,964
4. Step 4: Simplify right side
   2,116,798x = 10,112,171,041,296
5. Step 5: Solve for x
   x = 10,112,171,041,296/2,116,798
6. Step 6: Final answer
   x = 4,777,107.24