Finding the Third Proportional to 1,992,486 and 3,113,146

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,486 : 3,113,146 = 3,113,146 : x
2. Step 2: Convert to fraction form
   1,992,486/3,113,146 = 3,113,146/x
3. Step 3: Cross multiply
   1,992,486x = 3,113,146 × 3,113,146
4. Step 4: Simplify right side
   1,992,486x = 9,691,678,017,316
5. Step 5: Solve for x
   x = 9,691,678,017,316/1,992,486
6. Step 6: Final answer
   x = 4,864,113.48