Finding the Third Proportional to 60,468 and 131,640

Step by Step Solution

1. Step 1: Write the proportion equation
   60,468 : 131,640 = 131,640 : x
2. Step 2: Convert to fraction form
   60,468/131,640 = 131,640/x
3. Step 3: Cross multiply
   60,468x = 131,640 × 131,640
4. Step 4: Simplify right side
   60,468x = 17,329,089,600
5. Step 5: Solve for x
   x = 17,329,089,600/60,468
6. Step 6: Final answer
   x = 286,582.81