Finding the Third Proportional to 417,810 and 915,716.75

Step by Step Solution

1. Step 1: Write the proportion equation
   417,810 : 915,716.75 = 915,716.75 : x
2. Step 2: Convert to fraction form
   417,810/915,716.75 = 915,716.75/x
3. Step 3: Cross multiply
   417,810x = 915,716.75 × 915,716.75
4. Step 4: Simplify right side
   417,810x = 838,537,166,230.56
5. Step 5: Solve for x
   x = 838,537,166,230.56/417,810
6. Step 6: Final answer
   x = 2,006,982.04