Finding the Third Proportional to 81,784.69 and 191,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,784.69 : 191,134.69 = 191,134.69 : x
2. Step 2: Convert to fraction form
   81,784.69/191,134.69 = 191,134.69/x
3. Step 3: Cross multiply
   81,784.69x = 191,134.69 × 191,134.69
4. Step 4: Simplify right side
   81,784.69x = 36,532,468,765.72
5. Step 5: Solve for x
   x = 36,532,468,765.72/81,784.69
6. Step 6: Final answer
   x = 446,690.82