Finding the Third Proportional to 18,640.13 and 37,263.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,640.13 : 37,263.38 = 37,263.38 : x
2. Step 2: Convert to fraction form
   18,640.13/37,263.38 = 37,263.38/x
3. Step 3: Cross multiply
   18,640.13x = 37,263.38 × 37,263.38
4. Step 4: Simplify right side
   18,640.13x = 1,388,559,116.39
5. Step 5: Solve for x
   x = 1,388,559,116.39/18,640.13
6. Step 6: Final answer
   x = 74,493.02