Finding the Third Proportional to 1,267,400 and 2,818,164

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,400 : 2,818,164 = 2,818,164 : x
2. Step 2: Convert to fraction form
   1,267,400/2,818,164 = 2,818,164/x
3. Step 3: Cross multiply
   1,267,400x = 2,818,164 × 2,818,164
4. Step 4: Simplify right side
   1,267,400x = 7,942,048,330,896
5. Step 5: Solve for x
   x = 7,942,048,330,896/1,267,400
6. Step 6: Final answer
   x = 6,266,410.23