Finding the Third Proportional to 137,272 and 300,788

Step by Step Solution

1. Step 1: Write the proportion equation
   137,272 : 300,788 = 300,788 : x
2. Step 2: Convert to fraction form
   137,272/300,788 = 300,788/x
3. Step 3: Cross multiply
   137,272x = 300,788 × 300,788
4. Step 4: Simplify right side
   137,272x = 90,473,420,944
5. Step 5: Solve for x
   x = 90,473,420,944/137,272
6. Step 6: Final answer
   x = 659,081.39