Finding the Third Proportional to 3,701,434 and 8,916,904

Step by Step Solution

1. Step 1: Write the proportion equation
   3,701,434 : 8,916,904 = 8,916,904 : x
2. Step 2: Convert to fraction form
   3,701,434/8,916,904 = 8,916,904/x
3. Step 3: Cross multiply
   3,701,434x = 8,916,904 × 8,916,904
4. Step 4: Simplify right side
   3,701,434x = 79,511,176,945,216
5. Step 5: Solve for x
   x = 79,511,176,945,216/3,701,434
6. Step 6: Final answer
   x = 21,481,181.87