Finding the Third Proportional to 85,480 and 186,010

Step by Step Solution

1. Step 1: Write the proportion equation
   85,480 : 186,010 = 186,010 : x
2. Step 2: Convert to fraction form
   85,480/186,010 = 186,010/x
3. Step 3: Cross multiply
   85,480x = 186,010 × 186,010
4. Step 4: Simplify right side
   85,480x = 34,599,720,100
5. Step 5: Solve for x
   x = 34,599,720,100/85,480
6. Step 6: Final answer
   x = 404,769.77