Finding the Third Proportional to 3,801,416 and 8,272,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801,416 : 8,272,040 = 8,272,040 : x
2. Step 2: Convert to fraction form
   3,801,416/8,272,040 = 8,272,040/x
3. Step 3: Cross multiply
   3,801,416x = 8,272,040 × 8,272,040
4. Step 4: Simplify right side
   3,801,416x = 68,426,645,761,600
5. Step 5: Solve for x
   x = 68,426,645,761,600/3,801,416
6. Step 6: Final answer
   x = 18,000,304.56