Finding the Third Proportional to 4,059,384 and 8,922,288

Step by Step Solution

1. Step 1: Write the proportion equation
   4,059,384 : 8,922,288 = 8,922,288 : x
2. Step 2: Convert to fraction form
   4,059,384/8,922,288 = 8,922,288/x
3. Step 3: Cross multiply
   4,059,384x = 8,922,288 × 8,922,288
4. Step 4: Simplify right side
   4,059,384x = 79,607,223,154,944
5. Step 5: Solve for x
   x = 79,607,223,154,944/4,059,384
6. Step 6: Final answer
   x = 19,610,665.84