Finding the Third Proportional to 3,859,128 and 5,673,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,128 : 5,673,068 = 5,673,068 : x
2. Step 2: Convert to fraction form
   3,859,128/5,673,068 = 5,673,068/x
3. Step 3: Cross multiply
   3,859,128x = 5,673,068 × 5,673,068
4. Step 4: Simplify right side
   3,859,128x = 32,183,700,532,624
5. Step 5: Solve for x
   x = 32,183,700,532,624/3,859,128
6. Step 6: Final answer
   x = 8,339,630.23