Finding the Third Proportional to 485,641 and 1,030,457

Step by Step Solution

1. Step 1: Write the proportion equation
   485,641 : 1,030,457 = 1,030,457 : x
2. Step 2: Convert to fraction form
   485,641/1,030,457 = 1,030,457/x
3. Step 3: Cross multiply
   485,641x = 1,030,457 × 1,030,457
4. Step 4: Simplify right side
   485,641x = 1,061,841,628,849
5. Step 5: Solve for x
   x = 1,061,841,628,849/485,641
6. Step 6: Final answer
   x = 2,186,474.43