Finding the Third Proportional to 87,667.69 and 190,279.88

Step by Step Solution

1. Step 1: Write the proportion equation
   87,667.69 : 190,279.88 = 190,279.88 : x
2. Step 2: Convert to fraction form
   87,667.69/190,279.88 = 190,279.88/x
3. Step 3: Cross multiply
   87,667.69x = 190,279.88 × 190,279.88
4. Step 4: Simplify right side
   87,667.69x = 36,206,430,830.02
5. Step 5: Solve for x
   x = 36,206,430,830.02/87,667.69
6. Step 6: Final answer
   x = 412,996.30