Finding the Third Proportional to 2,797,278 and 4,178,658

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797,278 : 4,178,658 = 4,178,658 : x
2. Step 2: Convert to fraction form
   2,797,278/4,178,658 = 4,178,658/x
3. Step 3: Cross multiply
   2,797,278x = 4,178,658 × 4,178,658
4. Step 4: Simplify right side
   2,797,278x = 17,461,182,680,964
5. Step 5: Solve for x
   x = 17,461,182,680,964/2,797,278
6. Step 6: Final answer
   x = 6,242,204.99