Finding the Third Proportional to 87,912 and 188,932

Step by Step Solution

1. Step 1: Write the proportion equation
   87,912 : 188,932 = 188,932 : x
2. Step 2: Convert to fraction form
   87,912/188,932 = 188,932/x
3. Step 3: Cross multiply
   87,912x = 188,932 × 188,932
4. Step 4: Simplify right side
   87,912x = 35,695,300,624
5. Step 5: Solve for x
   x = 35,695,300,624/87,912
6. Step 6: Final answer
   x = 406,034.45