Finding the Third Proportional to 2,248,189 and 3,428,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248,189 : 3,428,309 = 3,428,309 : x
2. Step 2: Convert to fraction form
   2,248,189/3,428,309 = 3,428,309/x
3. Step 3: Cross multiply
   2,248,189x = 3,428,309 × 3,428,309
4. Step 4: Simplify right side
   2,248,189x = 11,753,302,599,481
5. Step 5: Solve for x
   x = 11,753,302,599,481/2,248,189
6. Step 6: Final answer
   x = 5,227,897.92