Finding the Third Proportional to 1,274,302 and 2,780,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274,302 : 2,780,428 = 2,780,428 : x
2. Step 2: Convert to fraction form
   1,274,302/2,780,428 = 2,780,428/x
3. Step 3: Cross multiply
   1,274,302x = 2,780,428 × 2,780,428
4. Step 4: Simplify right side
   1,274,302x = 7,730,779,863,184
5. Step 5: Solve for x
   x = 7,730,779,863,184/1,274,302
6. Step 6: Final answer
   x = 6,066,677.96