Finding the Third Proportional to 124,920 and 190,500

Step by Step Solution

1. Step 1: Write the proportion equation
   124,920 : 190,500 = 190,500 : x
2. Step 2: Convert to fraction form
   124,920/190,500 = 190,500/x
3. Step 3: Cross multiply
   124,920x = 190,500 × 190,500
4. Step 4: Simplify right side
   124,920x = 36,290,250,000
5. Step 5: Solve for x
   x = 36,290,250,000/124,920
6. Step 6: Final answer
   x = 290,507.93