Finding the Third Proportional to 43,572.38 and 66,610.69

Step by Step Solution

1. Step 1: Write the proportion equation
   43,572.38 : 66,610.69 = 66,610.69 : x
2. Step 2: Convert to fraction form
   43,572.38/66,610.69 = 66,610.69/x
3. Step 3: Cross multiply
   43,572.38x = 66,610.69 × 66,610.69
4. Step 4: Simplify right side
   43,572.38x = 4,436,983,689.22
5. Step 5: Solve for x
   x = 4,436,983,689.22/43,572.38
6. Step 6: Final answer
   x = 101,830.20