Finding the Third Proportional to 1,267,470 and 2,818,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,470 : 2,818,310 = 2,818,310 : x
2. Step 2: Convert to fraction form
   1,267,470/2,818,310 = 2,818,310/x
3. Step 3: Cross multiply
   1,267,470x = 2,818,310 × 2,818,310
4. Step 4: Simplify right side
   1,267,470x = 7,942,871,256,100
5. Step 5: Solve for x
   x = 7,942,871,256,100/1,267,470
6. Step 6: Final answer
   x = 6,266,713.42