Finding the Third Proportional to 3,979,494 and 8,526,696

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,494 : 8,526,696 = 8,526,696 : x
2. Step 2: Convert to fraction form
   3,979,494/8,526,696 = 8,526,696/x
3. Step 3: Cross multiply
   3,979,494x = 8,526,696 × 8,526,696
4. Step 4: Simplify right side
   3,979,494x = 72,704,544,676,416
5. Step 5: Solve for x
   x = 72,704,544,676,416/3,979,494
6. Step 6: Final answer
   x = 18,269,796.28