Finding the Third Proportional to 686,734 and 1,010,248

Step by Step Solution

1. Step 1: Write the proportion equation
   686,734 : 1,010,248 = 1,010,248 : x
2. Step 2: Convert to fraction form
   686,734/1,010,248 = 1,010,248/x
3. Step 3: Cross multiply
   686,734x = 1,010,248 × 1,010,248
4. Step 4: Simplify right side
   686,734x = 1,020,601,021,504
5. Step 5: Solve for x
   x = 1,020,601,021,504/686,734
6. Step 6: Final answer
   x = 1,486,166.44