Finding the Third Proportional to 686,776 and 1,010,302

Step by Step Solution

1. Step 1: Write the proportion equation
   686,776 : 1,010,302 = 1,010,302 : x
2. Step 2: Convert to fraction form
   686,776/1,010,302 = 1,010,302/x
3. Step 3: Cross multiply
   686,776x = 1,010,302 × 1,010,302
4. Step 4: Simplify right side
   686,776x = 1,020,710,131,204
5. Step 5: Solve for x
   x = 1,020,710,131,204/686,776
6. Step 6: Final answer
   x = 1,486,234.42