Finding the Third Proportional to 686,873 and 1,010,444

Step by Step Solution

1. Step 1: Write the proportion equation
   686,873 : 1,010,444 = 1,010,444 : x
2. Step 2: Convert to fraction form
   686,873/1,010,444 = 1,010,444/x
3. Step 3: Cross multiply
   686,873x = 1,010,444 × 1,010,444
4. Step 4: Simplify right side
   686,873x = 1,020,997,077,136
5. Step 5: Solve for x
   x = 1,020,997,077,136/686,873
6. Step 6: Final answer
   x = 1,486,442.29