Finding the Third Proportional to 18,368 and 37,672

Step by Step Solution

1. Step 1: Write the proportion equation
   18,368 : 37,672 = 37,672 : x
2. Step 2: Convert to fraction form
   18,368/37,672 = 37,672/x
3. Step 3: Cross multiply
   18,368x = 37,672 × 37,672
4. Step 4: Simplify right side
   18,368x = 1,419,179,584
5. Step 5: Solve for x
   x = 1,419,179,584/18,368
6. Step 6: Final answer
   x = 77,263.70