Finding the Third Proportional to 103,554 and 215,034.75

Step by Step Solution

1. Step 1: Write the proportion equation
   103,554 : 215,034.75 = 215,034.75 : x
2. Step 2: Convert to fraction form
   103,554/215,034.75 = 215,034.75/x
3. Step 3: Cross multiply
   103,554x = 215,034.75 × 215,034.75
4. Step 4: Simplify right side
   103,554x = 46,239,943,707.56
5. Step 5: Solve for x
   x = 46,239,943,707.56/103,554
6. Step 6: Final answer
   x = 446,529.77