Finding the Third Proportional to 30,642 and 43,360

Step by Step Solution

1. Step 1: Write the proportion equation
   30,642 : 43,360 = 43,360 : x
2. Step 2: Convert to fraction form
   30,642/43,360 = 43,360/x
3. Step 3: Cross multiply
   30,642x = 43,360 × 43,360
4. Step 4: Simplify right side
   30,642x = 1,880,089,600
5. Step 5: Solve for x
   x = 1,880,089,600/30,642
6. Step 6: Final answer
   x = 61,356.62