Finding the Third Proportional to 676,866 and 1,015,428

Step by Step Solution

1. Step 1: Write the proportion equation
   676,866 : 1,015,428 = 1,015,428 : x
2. Step 2: Convert to fraction form
   676,866/1,015,428 = 1,015,428/x
3. Step 3: Cross multiply
   676,866x = 1,015,428 × 1,015,428
4. Step 4: Simplify right side
   676,866x = 1,031,094,023,184
5. Step 5: Solve for x
   x = 1,031,094,023,184/676,866
6. Step 6: Final answer
   x = 1,523,335.52