Finding the Third Proportional to 2,116,781 and 3,179,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,781 : 3,179,940 = 3,179,940 : x
2. Step 2: Convert to fraction form
   2,116,781/3,179,940 = 3,179,940/x
3. Step 3: Cross multiply
   2,116,781x = 3,179,940 × 3,179,940
4. Step 4: Simplify right side
   2,116,781x = 10,112,018,403,600
5. Step 5: Solve for x
   x = 10,112,018,403,600/2,116,781
6. Step 6: Final answer
   x = 4,777,073.49