Finding the Third Proportional to 32,460 and 66,648

Step by Step Solution

1. Step 1: Write the proportion equation
   32,460 : 66,648 = 66,648 : x
2. Step 2: Convert to fraction form
   32,460/66,648 = 66,648/x
3. Step 3: Cross multiply
   32,460x = 66,648 × 66,648
4. Step 4: Simplify right side
   32,460x = 4,441,955,904
5. Step 5: Solve for x
   x = 4,441,955,904/32,460
6. Step 6: Final answer
   x = 136,843.99