Finding the Third Proportional to 30,030 and 64,672

Step by Step Solution

1. Step 1: Write the proportion equation
   30,030 : 64,672 = 64,672 : x
2. Step 2: Convert to fraction form
   30,030/64,672 = 64,672/x
3. Step 3: Cross multiply
   30,030x = 64,672 × 64,672
4. Step 4: Simplify right side
   30,030x = 4,182,467,584
5. Step 5: Solve for x
   x = 4,182,467,584/30,030
6. Step 6: Final answer
   x = 139,276.31