Finding the Third Proportional to 87,237 and 131,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,237 : 131,584.50 = 131,584.50 : x
2. Step 2: Convert to fraction form
   87,237/131,584.50 = 131,584.50/x
3. Step 3: Cross multiply
   87,237x = 131,584.50 × 131,584.50
4. Step 4: Simplify right side
   87,237x = 17,314,480,640.25
5. Step 5: Solve for x
   x = 17,314,480,640.25/87,237
6. Step 6: Final answer
   x = 198,476.34