Finding the Third Proportional to 87,358 and 130,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,358 : 130,900.50 = 130,900.50 : x
2. Step 2: Convert to fraction form
   87,358/130,900.50 = 130,900.50/x
3. Step 3: Cross multiply
   87,358x = 130,900.50 × 130,900.50
4. Step 4: Simplify right side
   87,358x = 17,134,940,900.25
5. Step 5: Solve for x
   x = 17,134,940,900.25/87,358
6. Step 6: Final answer
   x = 196,146.21