Finding the Third Proportional to 4,059,522 and 8,731,404

Step by Step Solution

1. Step 1: Write the proportion equation
   4,059,522 : 8,731,404 = 8,731,404 : x
2. Step 2: Convert to fraction form
   4,059,522/8,731,404 = 8,731,404/x
3. Step 3: Cross multiply
   4,059,522x = 8,731,404 × 8,731,404
4. Step 4: Simplify right side
   4,059,522x = 76,237,415,811,216
5. Step 5: Solve for x
   x = 76,237,415,811,216/4,059,522
6. Step 6: Final answer
   x = 18,779,899.66