Finding the Third Proportional to 87,444 and 187,488

Step by Step Solution

1. Step 1: Write the proportion equation
   87,444 : 187,488 = 187,488 : x
2. Step 2: Convert to fraction form
   87,444/187,488 = 187,488/x
3. Step 3: Cross multiply
   87,444x = 187,488 × 187,488
4. Step 4: Simplify right side
   87,444x = 35,151,750,144
5. Step 5: Solve for x
   x = 35,151,750,144/87,444
6. Step 6: Final answer
   x = 401,991.56