Finding the Third Proportional to 417,020.63 and 908,885.25

Step by Step Solution

1. Step 1: Write the proportion equation
   417,020.63 : 908,885.25 = 908,885.25 : x
2. Step 2: Convert to fraction form
   417,020.63/908,885.25 = 908,885.25/x
3. Step 3: Cross multiply
   417,020.63x = 908,885.25 × 908,885.25
4. Step 4: Simplify right side
   417,020.63x = 826,072,397,667.56
5. Step 5: Solve for x
   x = 826,072,397,667.56/417,020.63
6. Step 6: Final answer
   x = 1,980,890.99