Finding the Third Proportional to 2,368,617 and 5,209,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368,617 : 5,209,521 = 5,209,521 : x
2. Step 2: Convert to fraction form
   2,368,617/5,209,521 = 5,209,521/x
3. Step 3: Cross multiply
   2,368,617x = 5,209,521 × 5,209,521
4. Step 4: Simplify right side
   2,368,617x = 27,139,109,049,441
5. Step 5: Solve for x
   x = 27,139,109,049,441/2,368,617
6. Step 6: Final answer
   x = 11,457,786.99