Finding the Third Proportional to 2,617,272 and 5,646,978

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,272 : 5,646,978 = 5,646,978 : x
2. Step 2: Convert to fraction form
   2,617,272/5,646,978 = 5,646,978/x
3. Step 3: Cross multiply
   2,617,272x = 5,646,978 × 5,646,978
4. Step 4: Simplify right side
   2,617,272x = 31,888,360,532,484
5. Step 5: Solve for x
   x = 31,888,360,532,484/2,617,272
6. Step 6: Final answer
   x = 12,183,816.02