Finding the Third Proportional to 1,145,648 and 2,511,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,648 : 2,511,640 = 2,511,640 : x
2. Step 2: Convert to fraction form
   1,145,648/2,511,640 = 2,511,640/x
3. Step 3: Cross multiply
   1,145,648x = 2,511,640 × 2,511,640
4. Step 4: Simplify right side
   1,145,648x = 6,308,335,489,600
5. Step 5: Solve for x
   x = 6,308,335,489,600/1,145,648
6. Step 6: Final answer
   x = 5,506,347.05