Finding the Third Proportional to 1,456,420 and 2,261,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,420 : 2,261,310 = 2,261,310 : x
2. Step 2: Convert to fraction form
   1,456,420/2,261,310 = 2,261,310/x
3. Step 3: Cross multiply
   1,456,420x = 2,261,310 × 2,261,310
4. Step 4: Simplify right side
   1,456,420x = 5,113,522,916,100
5. Step 5: Solve for x
   x = 5,113,522,916,100/1,456,420
6. Step 6: Final answer
   x = 3,511,022.17