Finding the Third Proportional to 1,267,422 and 2,818,209

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,422 : 2,818,209 = 2,818,209 : x
2. Step 2: Convert to fraction form
   1,267,422/2,818,209 = 2,818,209/x
3. Step 3: Cross multiply
   1,267,422x = 2,818,209 × 2,818,209
4. Step 4: Simplify right side
   1,267,422x = 7,942,301,967,681
5. Step 5: Solve for x
   x = 7,942,301,967,681/1,267,422
6. Step 6: Final answer
   x = 6,266,501.58