Finding the Third Proportional to 60,318 and 131,820

Step by Step Solution

1. Step 1: Write the proportion equation
   60,318 : 131,820 = 131,820 : x
2. Step 2: Convert to fraction form
   60,318/131,820 = 131,820/x
3. Step 3: Cross multiply
   60,318x = 131,820 × 131,820
4. Step 4: Simplify right side
   60,318x = 17,376,512,400
5. Step 5: Solve for x
   x = 17,376,512,400/60,318
6. Step 6: Final answer
   x = 288,081.71