Finding the Third Proportional to 152,910 and 182,890

Step by Step Solution

1. Step 1: Write the proportion equation
   152,910 : 182,890 = 182,890 : x
2. Step 2: Convert to fraction form
   152,910/182,890 = 182,890/x
3. Step 3: Cross multiply
   152,910x = 182,890 × 182,890
4. Step 4: Simplify right side
   152,910x = 33,448,752,100
5. Step 5: Solve for x
   x = 33,448,752,100/152,910
6. Step 6: Final answer
   x = 218,747.97