Finding the Third Proportional to 1,424,478 and 3,119,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424,478 : 3,119,114 = 3,119,114 : x
2. Step 2: Convert to fraction form
   1,424,478/3,119,114 = 3,119,114/x
3. Step 3: Cross multiply
   1,424,478x = 3,119,114 × 3,119,114
4. Step 4: Simplify right side
   1,424,478x = 9,728,872,144,996
5. Step 5: Solve for x
   x = 9,728,872,144,996/1,424,478
6. Step 6: Final answer
   x = 6,829,780.55