Finding the Third Proportional to 30,422 and 64,732

Step by Step Solution

1. Step 1: Write the proportion equation
   30,422 : 64,732 = 64,732 : x
2. Step 2: Convert to fraction form
   30,422/64,732 = 64,732/x
3. Step 3: Cross multiply
   30,422x = 64,732 × 64,732
4. Step 4: Simplify right side
   30,422x = 4,190,231,824
5. Step 5: Solve for x
   x = 4,190,231,824/30,422
6. Step 6: Final answer
   x = 137,736.90