Finding the Third Proportional to 1,421,145 and 3,108,012

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,145 : 3,108,012 = 3,108,012 : x
2. Step 2: Convert to fraction form
   1,421,145/3,108,012 = 3,108,012/x
3. Step 3: Cross multiply
   1,421,145x = 3,108,012 × 3,108,012
4. Step 4: Simplify right side
   1,421,145x = 9,659,738,592,144
5. Step 5: Solve for x
   x = 9,659,738,592,144/1,421,145
6. Step 6: Final answer
   x = 6,797,152.01