Finding the Third Proportional to 185,656.50 and 406,089

Step by Step Solution

1. Step 1: Write the proportion equation
   185,656.50 : 406,089 = 406,089 : x
2. Step 2: Convert to fraction form
   185,656.50/406,089 = 406,089/x
3. Step 3: Cross multiply
   185,656.50x = 406,089 × 406,089
4. Step 4: Simplify right side
   185,656.50x = 164,908,275,921
5. Step 5: Solve for x
   x = 164,908,275,921/185,656.50
6. Step 6: Final answer
   x = 888,244.02