Finding the Third Proportional to 30,211.31 and 55,432.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,211.31 : 55,432.69 = 55,432.69 : x
2. Step 2: Convert to fraction form
   30,211.31/55,432.69 = 55,432.69/x
3. Step 3: Cross multiply
   30,211.31x = 55,432.69 × 55,432.69
4. Step 4: Simplify right side
   30,211.31x = 3,072,782,843.47
5. Step 5: Solve for x
   x = 3,072,782,843.47/30,211.31
6. Step 6: Final answer
   x = 101,709.68