Finding the Third Proportional to 686,892 and 1,010,472

Step by Step Solution

1. Step 1: Write the proportion equation
   686,892 : 1,010,472 = 1,010,472 : x
2. Step 2: Convert to fraction form
   686,892/1,010,472 = 1,010,472/x
3. Step 3: Cross multiply
   686,892x = 1,010,472 × 1,010,472
4. Step 4: Simplify right side
   686,892x = 1,021,053,662,784
5. Step 5: Solve for x
   x = 1,021,053,662,784/686,892
6. Step 6: Final answer
   x = 1,486,483.56