Finding the Third Proportional to 87,808 and 186,066

Step by Step Solution

1. Step 1: Write the proportion equation
   87,808 : 186,066 = 186,066 : x
2. Step 2: Convert to fraction form
   87,808/186,066 = 186,066/x
3. Step 3: Cross multiply
   87,808x = 186,066 × 186,066
4. Step 4: Simplify right side
   87,808x = 34,620,556,356
5. Step 5: Solve for x
   x = 34,620,556,356/87,808
6. Step 6: Final answer
   x = 394,275.65