Finding the Third Proportional to 3,784,997 and 8,208,868

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784,997 : 8,208,868 = 8,208,868 : x
2. Step 2: Convert to fraction form
   3,784,997/8,208,868 = 8,208,868/x
3. Step 3: Cross multiply
   3,784,997x = 8,208,868 × 8,208,868
4. Step 4: Simplify right side
   3,784,997x = 67,385,513,841,424
5. Step 5: Solve for x
   x = 67,385,513,841,424/3,784,997
6. Step 6: Final answer
   x = 17,803,320.28