Finding the Third Proportional to 3,390,306 and 5,116,986

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,306 : 5,116,986 = 5,116,986 : x
2. Step 2: Convert to fraction form
   3,390,306/5,116,986 = 5,116,986/x
3. Step 3: Cross multiply
   3,390,306x = 5,116,986 × 5,116,986
4. Step 4: Simplify right side
   3,390,306x = 26,183,545,724,196
5. Step 5: Solve for x
   x = 26,183,545,724,196/3,390,306
6. Step 6: Final answer
   x = 7,723,062.67