Finding the Third Proportional to 878,026 and 1,780,274

Step by Step Solution

1. Step 1: Write the proportion equation
   878,026 : 1,780,274 = 1,780,274 : x
2. Step 2: Convert to fraction form
   878,026/1,780,274 = 1,780,274/x
3. Step 3: Cross multiply
   878,026x = 1,780,274 × 1,780,274
4. Step 4: Simplify right side
   878,026x = 3,169,375,515,076
5. Step 5: Solve for x
   x = 3,169,375,515,076/878,026
6. Step 6: Final answer
   x = 3,609,660.21