Finding the Third Proportional to 3,998,116.75 and 5,698,123

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,116.75 : 5,698,123 = 5,698,123 : x
2. Step 2: Convert to fraction form
   3,998,116.75/5,698,123 = 5,698,123/x
3. Step 3: Cross multiply
   3,998,116.75x = 5,698,123 × 5,698,123
4. Step 4: Simplify right side
   3,998,116.75x = 32,468,605,723,129
5. Step 5: Solve for x
   x = 32,468,605,723,129/3,998,116.75
6. Step 6: Final answer
   x = 8,120,974.89