Finding the Third Proportional to 3,998,106 and 5,698,107

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,106 : 5,698,107 = 5,698,107 : x
2. Step 2: Convert to fraction form
   3,998,106/5,698,107 = 5,698,107/x
3. Step 3: Cross multiply
   3,998,106x = 5,698,107 × 5,698,107
4. Step 4: Simplify right side
   3,998,106x = 32,468,423,383,449
5. Step 5: Solve for x
   x = 32,468,423,383,449/3,998,106
6. Step 6: Final answer
   x = 8,120,951.12