Finding the Third Proportional to 2,116,786 and 3,179,948

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,786 : 3,179,948 = 3,179,948 : x
2. Step 2: Convert to fraction form
   2,116,786/3,179,948 = 3,179,948/x
3. Step 3: Cross multiply
   2,116,786x = 3,179,948 × 3,179,948
4. Step 4: Simplify right side
   2,116,786x = 10,112,069,282,704
5. Step 5: Solve for x
   x = 10,112,069,282,704/2,116,786
6. Step 6: Final answer
   x = 4,777,086.24