Finding the Third Proportional to 285,552 and 676,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   285,552 : 676,488.38 = 676,488.38 : x
2. Step 2: Convert to fraction form
   285,552/676,488.38 = 676,488.38/x
3. Step 3: Cross multiply
   285,552x = 676,488.38 × 676,488.38
4. Step 4: Simplify right side
   285,552x = 457,636,521,510.14
5. Step 5: Solve for x
   x = 457,636,521,510.14/285,552
6. Step 6: Final answer
   x = 1,602,638.12