Finding the Third Proportional to 4,082,440 and 8,788,904

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082,440 : 8,788,904 = 8,788,904 : x
2. Step 2: Convert to fraction form
   4,082,440/8,788,904 = 8,788,904/x
3. Step 3: Cross multiply
   4,082,440x = 8,788,904 × 8,788,904
4. Step 4: Simplify right side
   4,082,440x = 77,244,833,521,216
5. Step 5: Solve for x
   x = 77,244,833,521,216/4,082,440
6. Step 6: Final answer
   x = 18,921,241.59