Finding the Third Proportional to 3,859,154 and 5,673,171

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,154 : 5,673,171 = 5,673,171 : x
2. Step 2: Convert to fraction form
   3,859,154/5,673,171 = 5,673,171/x
3. Step 3: Cross multiply
   3,859,154x = 5,673,171 × 5,673,171
4. Step 4: Simplify right side
   3,859,154x = 32,184,869,195,241
5. Step 5: Solve for x
   x = 32,184,869,195,241/3,859,154
6. Step 6: Final answer
   x = 8,339,876.87