Finding the Third Proportional to 686,773 and 1,010,298

Step by Step Solution

1. Step 1: Write the proportion equation
   686,773 : 1,010,298 = 1,010,298 : x
2. Step 2: Convert to fraction form
   686,773/1,010,298 = 1,010,298/x
3. Step 3: Cross multiply
   686,773x = 1,010,298 × 1,010,298
4. Step 4: Simplify right side
   686,773x = 1,020,702,048,804
5. Step 5: Solve for x
   x = 1,020,702,048,804/686,773
6. Step 6: Final answer
   x = 1,486,229.15