Finding the Third Proportional to 4,082,468 and 8,788,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082,468 : 8,788,960 = 8,788,960 : x
2. Step 2: Convert to fraction form
   4,082,468/8,788,960 = 8,788,960/x
3. Step 3: Cross multiply
   4,082,468x = 8,788,960 × 8,788,960
4. Step 4: Simplify right side
   4,082,468x = 77,245,817,881,600
5. Step 5: Solve for x
   x = 77,245,817,881,600/4,082,468
6. Step 6: Final answer
   x = 18,921,352.94