Finding the Third Proportional to 308,502 and 676,026

Step by Step Solution

1. Step 1: Write the proportion equation
   308,502 : 676,026 = 676,026 : x
2. Step 2: Convert to fraction form
   308,502/676,026 = 676,026/x
3. Step 3: Cross multiply
   308,502x = 676,026 × 676,026
4. Step 4: Simplify right side
   308,502x = 457,011,152,676
5. Step 5: Solve for x
   x = 457,011,152,676/308,502
6. Step 6: Final answer
   x = 1,481,387.97