Finding the Third Proportional to 18,316.13 and 40,066.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,316.13 : 40,066.52 = 40,066.52 : x
2. Step 2: Convert to fraction form
   18,316.13/40,066.52 = 40,066.52/x
3. Step 3: Cross multiply
   18,316.13x = 40,066.52 × 40,066.52
4. Step 4: Simplify right side
   18,316.13x = 1,605,326,300.37
5. Step 5: Solve for x
   x = 1,605,326,300.37/18,316.13
6. Step 6: Final answer
   x = 87,645.52