Finding the Third Proportional to 87,103.69 and 133,153.88

Step by Step Solution

1. Step 1: Write the proportion equation
   87,103.69 : 133,153.88 = 133,153.88 : x
2. Step 2: Convert to fraction form
   87,103.69/133,153.88 = 133,153.88/x
3. Step 3: Cross multiply
   87,103.69x = 133,153.88 × 133,153.88
4. Step 4: Simplify right side
   87,103.69x = 17,729,954,427.52
5. Step 5: Solve for x
   x = 17,729,954,427.52/87,103.69
6. Step 6: Final answer
   x = 203,549.99