Finding the Third Proportional to 147,982 and 231,890

Step by Step Solution

1. Step 1: Write the proportion equation
   147,982 : 231,890 = 231,890 : x
2. Step 2: Convert to fraction form
   147,982/231,890 = 231,890/x
3. Step 3: Cross multiply
   147,982x = 231,890 × 231,890
4. Step 4: Simplify right side
   147,982x = 53,772,972,100
5. Step 5: Solve for x
   x = 53,772,972,100/147,982
6. Step 6: Final answer
   x = 363,375.09