Finding the Third Proportional to 2,005,278 and 4,175,787

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005,278 : 4,175,787 = 4,175,787 : x
2. Step 2: Convert to fraction form
   2,005,278/4,175,787 = 4,175,787/x
3. Step 3: Cross multiply
   2,005,278x = 4,175,787 × 4,175,787
4. Step 4: Simplify right side
   2,005,278x = 17,437,197,069,369
5. Step 5: Solve for x
   x = 17,437,197,069,369/2,005,278
6. Step 6: Final answer
   x = 8,695,650.71