Finding the Third Proportional to 3,755,872 and 8,200,000

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755,872 : 8,200,000 = 8,200,000 : x
2. Step 2: Convert to fraction form
   3,755,872/8,200,000 = 8,200,000/x
3. Step 3: Cross multiply
   3,755,872x = 8,200,000 × 8,200,000
4. Step 4: Simplify right side
   3,755,872x = 67,240,000,000,000
5. Step 5: Solve for x
   x = 67,240,000,000,000/3,755,872
6. Step 6: Final answer
   x = 17,902,633.53