Finding the Third Proportional to 185,570.50 and 406,608

Step by Step Solution

1. Step 1: Write the proportion equation
   185,570.50 : 406,608 = 406,608 : x
2. Step 2: Convert to fraction form
   185,570.50/406,608 = 406,608/x
3. Step 3: Cross multiply
   185,570.50x = 406,608 × 406,608
4. Step 4: Simplify right side
   185,570.50x = 165,330,065,664
5. Step 5: Solve for x
   x = 165,330,065,664/185,570.50
6. Step 6: Final answer
   x = 890,928.60