Finding the Third Proportional to 18,776.81 and 38,071.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,776.81 : 38,071.69 = 38,071.69 : x
2. Step 2: Convert to fraction form
   18,776.81/38,071.69 = 38,071.69/x
3. Step 3: Cross multiply
   18,776.81x = 38,071.69 × 38,071.69
4. Step 4: Simplify right side
   18,776.81x = 1,449,453,389.10
5. Step 5: Solve for x
   x = 1,449,453,389.10/18,776.81
6. Step 6: Final answer
   x = 77,193.79