Finding the Third Proportional to 157,580 and 337,300

Step by Step Solution

1. Step 1: Write the proportion equation
   157,580 : 337,300 = 337,300 : x
2. Step 2: Convert to fraction form
   157,580/337,300 = 337,300/x
3. Step 3: Cross multiply
   157,580x = 337,300 × 337,300
4. Step 4: Simplify right side
   157,580x = 113,771,290,000
5. Step 5: Solve for x
   x = 113,771,290,000/157,580
6. Step 6: Final answer
   x = 721,990.67