Finding the Third Proportional to 3,390,275 and 5,116,940

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,275 : 5,116,940 = 5,116,940 : x
2. Step 2: Convert to fraction form
   3,390,275/5,116,940 = 5,116,940/x
3. Step 3: Cross multiply
   3,390,275x = 5,116,940 × 5,116,940
4. Step 4: Simplify right side
   3,390,275x = 26,183,074,963,600
5. Step 5: Solve for x
   x = 26,183,074,963,600/3,390,275
6. Step 6: Final answer
   x = 7,722,994.44