Finding the Third Proportional to 36,912 and 57,672

Step by Step Solution

1. Step 1: Write the proportion equation
   36,912 : 57,672 = 57,672 : x
2. Step 2: Convert to fraction form
   36,912/57,672 = 57,672/x
3. Step 3: Cross multiply
   36,912x = 57,672 × 57,672
4. Step 4: Simplify right side
   36,912x = 3,326,059,584
5. Step 5: Solve for x
   x = 3,326,059,584/36,912
6. Step 6: Final answer
   x = 90,107.81