Finding the Third Proportional to 4,059,524 and 8,731,405

Step by Step Solution

1. Step 1: Write the proportion equation
   4,059,524 : 8,731,405 = 8,731,405 : x
2. Step 2: Convert to fraction form
   4,059,524/8,731,405 = 8,731,405/x
3. Step 3: Cross multiply
   4,059,524x = 8,731,405 × 8,731,405
4. Step 4: Simplify right side
   4,059,524x = 76,237,433,274,025
5. Step 5: Solve for x
   x = 76,237,433,274,025/4,059,524
6. Step 6: Final answer
   x = 18,779,894.71