Finding the Third Proportional to 1,390,147 and 3,045,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,147 : 3,045,978 = 3,045,978 : x
2. Step 2: Convert to fraction form
   1,390,147/3,045,978 = 3,045,978/x
3. Step 3: Cross multiply
   1,390,147x = 3,045,978 × 3,045,978
4. Step 4: Simplify right side
   1,390,147x = 9,277,981,976,484
5. Step 5: Solve for x
   x = 9,277,981,976,484/1,390,147
6. Step 6: Final answer
   x = 6,674,101.36