Finding the Third Proportional to 1,368,905 and 2,147,323

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,905 : 2,147,323 = 2,147,323 : x
2. Step 2: Convert to fraction form
   1,368,905/2,147,323 = 2,147,323/x
3. Step 3: Cross multiply
   1,368,905x = 2,147,323 × 2,147,323
4. Step 4: Simplify right side
   1,368,905x = 4,610,996,066,329
5. Step 5: Solve for x
   x = 4,610,996,066,329/1,368,905
6. Step 6: Final answer
   x = 3,368,382.81