Finding the Third Proportional to 4,008,014 and 8,910,389

Step by Step Solution

1. Step 1: Write the proportion equation
   4,008,014 : 8,910,389 = 8,910,389 : x
2. Step 2: Convert to fraction form
   4,008,014/8,910,389 = 8,910,389/x
3. Step 3: Cross multiply
   4,008,014x = 8,910,389 × 8,910,389
4. Step 4: Simplify right side
   4,008,014x = 79,395,032,131,321
5. Step 5: Solve for x
   x = 79,395,032,131,321/4,008,014
6. Step 6: Final answer
   x = 19,809,070.56