Finding the Third Proportional to 131,805.56 and 272,956.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,805.56 : 272,956.88 = 272,956.88 : x
2. Step 2: Convert to fraction form
   131,805.56/272,956.88 = 272,956.88/x
3. Step 3: Cross multiply
   131,805.56x = 272,956.88 × 272,956.88
4. Step 4: Simplify right side
   131,805.56x = 74,505,455,609.77
5. Step 5: Solve for x
   x = 74,505,455,609.77/131,805.56
6. Step 6: Final answer
   x = 565,267.92