Finding the Third Proportional to 131,642.72 and 269,514.84

Step by Step Solution

1. Step 1: Write the proportion equation
   131,642.72 : 269,514.84 = 269,514.84 : x
2. Step 2: Convert to fraction form
   131,642.72/269,514.84 = 269,514.84/x
3. Step 3: Cross multiply
   131,642.72x = 269,514.84 × 269,514.84
4. Step 4: Simplify right side
   131,642.72x = 72,638,251,001.59
5. Step 5: Solve for x
   x = 72,638,251,001.59/131,642.72
6. Step 6: Final answer
   x = 551,783.28