Finding the Third Proportional to 3,780,128 and 8,084,800

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,128 : 8,084,800 = 8,084,800 : x
2. Step 2: Convert to fraction form
   3,780,128/8,084,800 = 8,084,800/x
3. Step 3: Cross multiply
   3,780,128x = 8,084,800 × 8,084,800
4. Step 4: Simplify right side
   3,780,128x = 65,363,991,040,000
5. Step 5: Solve for x
   x = 65,363,991,040,000/3,780,128
6. Step 6: Final answer
   x = 17,291,475.59