Finding the Third Proportional to 81,784.69 and 110,458.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,784.69 : 110,458.69 = 110,458.69 : x
2. Step 2: Convert to fraction form
   81,784.69/110,458.69 = 110,458.69/x
3. Step 3: Cross multiply
   81,784.69x = 110,458.69 × 110,458.69
4. Step 4: Simplify right side
   81,784.69x = 12,201,121,644.22
5. Step 5: Solve for x
   x = 12,201,121,644.22/81,784.69
6. Step 6: Final answer
   x = 149,185.89