Finding the Third Proportional to 87,480 and 131,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   87,480 : 131,196.38 = 131,196.38 : x
2. Step 2: Convert to fraction form
   87,480/131,196.38 = 131,196.38/x
3. Step 3: Cross multiply
   87,480x = 131,196.38 × 131,196.38
4. Step 4: Simplify right side
   87,480x = 17,212,488,813.14
5. Step 5: Solve for x
   x = 17,212,488,813.14/87,480
6. Step 6: Final answer
   x = 196,759.13