Finding the Third Proportional to 4,032,830 and 8,860,756

Step by Step Solution

1. Step 1: Write the proportion equation
   4,032,830 : 8,860,756 = 8,860,756 : x
2. Step 2: Convert to fraction form
   4,032,830/8,860,756 = 8,860,756/x
3. Step 3: Cross multiply
   4,032,830x = 8,860,756 × 8,860,756
4. Step 4: Simplify right side
   4,032,830x = 78,512,996,891,536
5. Step 5: Solve for x
   x = 78,512,996,891,536/4,032,830
6. Step 6: Final answer
   x = 19,468,461.82