Finding the Third Proportional to 71,132 and 144,310

Step by Step Solution

1. Step 1: Write the proportion equation
   71,132 : 144,310 = 144,310 : x
2. Step 2: Convert to fraction form
   71,132/144,310 = 144,310/x
3. Step 3: Cross multiply
   71,132x = 144,310 × 144,310
4. Step 4: Simplify right side
   71,132x = 20,825,376,100
5. Step 5: Solve for x
   x = 20,825,376,100/71,132
6. Step 6: Final answer
   x = 292,770.85