Finding the Third Proportional to 1,376,780 and 2,982,378

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376,780 : 2,982,378 = 2,982,378 : x
2. Step 2: Convert to fraction form
   1,376,780/2,982,378 = 2,982,378/x
3. Step 3: Cross multiply
   1,376,780x = 2,982,378 × 2,982,378
4. Step 4: Simplify right side
   1,376,780x = 8,894,578,534,884
5. Step 5: Solve for x
   x = 8,894,578,534,884/1,376,780
6. Step 6: Final answer
   x = 6,460,421.08