Finding the Third Proportional to 686,765 and 1,010,294

Step by Step Solution

1. Step 1: Write the proportion equation
   686,765 : 1,010,294 = 1,010,294 : x
2. Step 2: Convert to fraction form
   686,765/1,010,294 = 1,010,294/x
3. Step 3: Cross multiply
   686,765x = 1,010,294 × 1,010,294
4. Step 4: Simplify right side
   686,765x = 1,020,693,966,436
5. Step 5: Solve for x
   x = 1,020,693,966,436/686,765
6. Step 6: Final answer
   x = 1,486,234.69