Finding the Third Proportional to 1,868,028 and 4,082,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,028 : 4,082,148 = 4,082,148 : x
2. Step 2: Convert to fraction form
   1,868,028/4,082,148 = 4,082,148/x
3. Step 3: Cross multiply
   1,868,028x = 4,082,148 × 4,082,148
4. Step 4: Simplify right side
   1,868,028x = 16,663,932,293,904
5. Step 5: Solve for x
   x = 16,663,932,293,904/1,868,028
6. Step 6: Final answer
   x = 8,920,600.92