Finding the Third Proportional to 4,082,988 and 8,913,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082,988 : 8,913,072 = 8,913,072 : x
2. Step 2: Convert to fraction form
   4,082,988/8,913,072 = 8,913,072/x
3. Step 3: Cross multiply
   4,082,988x = 8,913,072 × 8,913,072
4. Step 4: Simplify right side
   4,082,988x = 79,442,852,477,184
5. Step 5: Solve for x
   x = 79,442,852,477,184/4,082,988
6. Step 6: Final answer
   x = 19,457,037.95