Finding the Third Proportional to 1,178,028 and 1,776,860

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,028 : 1,776,860 = 1,776,860 : x
2. Step 2: Convert to fraction form
   1,178,028/1,776,860 = 1,776,860/x
3. Step 3: Cross multiply
   1,178,028x = 1,776,860 × 1,776,860
4. Step 4: Simplify right side
   1,178,028x = 3,157,231,459,600
5. Step 5: Solve for x
   x = 3,157,231,459,600/1,178,028
6. Step 6: Final answer
   x = 2,680,098.83