Finding the Third Proportional to 1,267,520 and 2,818,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,520 : 2,818,396 = 2,818,396 : x
2. Step 2: Convert to fraction form
   1,267,520/2,818,396 = 2,818,396/x
3. Step 3: Cross multiply
   1,267,520x = 2,818,396 × 2,818,396
4. Step 4: Simplify right side
   1,267,520x = 7,943,356,012,816
5. Step 5: Solve for x
   x = 7,943,356,012,816/1,267,520
6. Step 6: Final answer
   x = 6,266,848.66