Finding the Third Proportional to 137,290.50 and 300,825

Step by Step Solution

1. Step 1: Write the proportion equation
   137,290.50 : 300,825 = 300,825 : x
2. Step 2: Convert to fraction form
   137,290.50/300,825 = 300,825/x
3. Step 3: Cross multiply
   137,290.50x = 300,825 × 300,825
4. Step 4: Simplify right side
   137,290.50x = 90,495,680,625
5. Step 5: Solve for x
   x = 90,495,680,625/137,290.50
6. Step 6: Final answer
   x = 659,154.72