Finding the Third Proportional to 27,719.77 and 43,434.09

Step by Step Solution

1. Step 1: Write the proportion equation
   27,719.77 : 43,434.09 = 43,434.09 : x
2. Step 2: Convert to fraction form
   27,719.77/43,434.09 = 43,434.09/x
3. Step 3: Cross multiply
   27,719.77x = 43,434.09 × 43,434.09
4. Step 4: Simplify right side
   27,719.77x = 1,886,520,499.88
5. Step 5: Solve for x
   x = 1,886,520,499.88/27,719.77
6. Step 6: Final answer
   x = 68,056.87