Finding the Third Proportional to 87,078 and 130,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,078 : 130,279.50 = 130,279.50 : x
2. Step 2: Convert to fraction form
   87,078/130,279.50 = 130,279.50/x
3. Step 3: Cross multiply
   87,078x = 130,279.50 × 130,279.50
4. Step 4: Simplify right side
   87,078x = 16,972,748,120.25
5. Step 5: Solve for x
   x = 16,972,748,120.25/87,078
6. Step 6: Final answer
   x = 194,914.31