Finding the Third Proportional to 456,143 and 1,057,089

Step by Step Solution

1. Step 1: Write the proportion equation
   456,143 : 1,057,089 = 1,057,089 : x
2. Step 2: Convert to fraction form
   456,143/1,057,089 = 1,057,089/x
3. Step 3: Cross multiply
   456,143x = 1,057,089 × 1,057,089
4. Step 4: Simplify right side
   456,143x = 1,117,437,153,921
5. Step 5: Solve for x
   x = 1,117,437,153,921/456,143
6. Step 6: Final answer
   x = 2,449,751.84