Finding the Third Proportional to 137,208 and 300,651

Step by Step Solution

1. Step 1: Write the proportion equation
   137,208 : 300,651 = 300,651 : x
2. Step 2: Convert to fraction form
   137,208/300,651 = 300,651/x
3. Step 3: Cross multiply
   137,208x = 300,651 × 300,651
4. Step 4: Simplify right side
   137,208x = 90,391,023,801
5. Step 5: Solve for x
   x = 90,391,023,801/137,208
6. Step 6: Final answer
   x = 658,788.29