Finding the Third Proportional to 137,690 and 301,300

Step by Step Solution

1. Step 1: Write the proportion equation
   137,690 : 301,300 = 301,300 : x
2. Step 2: Convert to fraction form
   137,690/301,300 = 301,300/x
3. Step 3: Cross multiply
   137,690x = 301,300 × 301,300
4. Step 4: Simplify right side
   137,690x = 90,781,690,000
5. Step 5: Solve for x
   x = 90,781,690,000/137,690
6. Step 6: Final answer
   x = 659,319.41