Finding the Third Proportional to 33,156 and 64,620

Step by Step Solution

1. Step 1: Write the proportion equation
   33,156 : 64,620 = 64,620 : x
2. Step 2: Convert to fraction form
   33,156/64,620 = 64,620/x
3. Step 3: Cross multiply
   33,156x = 64,620 × 64,620
4. Step 4: Simplify right side
   33,156x = 4,175,744,400
5. Step 5: Solve for x
   x = 4,175,744,400/33,156
6. Step 6: Final answer
   x = 125,942.35