Finding the Third Proportional to 1,406,028 and 2,178,954

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,028 : 2,178,954 = 2,178,954 : x
2. Step 2: Convert to fraction form
   1,406,028/2,178,954 = 2,178,954/x
3. Step 3: Cross multiply
   1,406,028x = 2,178,954 × 2,178,954
4. Step 4: Simplify right side
   1,406,028x = 4,747,840,534,116
5. Step 5: Solve for x
   x = 4,747,840,534,116/1,406,028
6. Step 6: Final answer
   x = 3,376,775.24