Finding the Third Proportional to 56,026.69 and 85,672.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,026.69 : 85,672.69 = 85,672.69 : x
2. Step 2: Convert to fraction form
   56,026.69/85,672.69 = 85,672.69/x
3. Step 3: Cross multiply
   56,026.69x = 85,672.69 × 85,672.69
4. Step 4: Simplify right side
   56,026.69x = 7,339,809,383.47
5. Step 5: Solve for x
   x = 7,339,809,383.47/56,026.69
6. Step 6: Final answer
   x = 131,005.59