Finding the Third Proportional to 3,800,602 and 8,199,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,800,602 : 8,199,072 = 8,199,072 : x
2. Step 2: Convert to fraction form
   3,800,602/8,199,072 = 8,199,072/x
3. Step 3: Cross multiply
   3,800,602x = 8,199,072 × 8,199,072
4. Step 4: Simplify right side
   3,800,602x = 67,224,781,661,184
5. Step 5: Solve for x
   x = 67,224,781,661,184/3,800,602
6. Step 6: Final answer
   x = 17,687,929.88