Finding the Third Proportional to 676,864 and 1,015,442

Step by Step Solution

1. Step 1: Write the proportion equation
   676,864 : 1,015,442 = 1,015,442 : x
2. Step 2: Convert to fraction form
   676,864/1,015,442 = 1,015,442/x
3. Step 3: Cross multiply
   676,864x = 1,015,442 × 1,015,442
4. Step 4: Simplify right side
   676,864x = 1,031,122,455,364
5. Step 5: Solve for x
   x = 1,031,122,455,364/676,864
6. Step 6: Final answer
   x = 1,523,382.03