Finding the Third Proportional to 417,069 and 910,591.88

Step by Step Solution

1. Step 1: Write the proportion equation
   417,069 : 910,591.88 = 910,591.88 : x
2. Step 2: Convert to fraction form
   417,069/910,591.88 = 910,591.88/x
3. Step 3: Cross multiply
   417,069x = 910,591.88 × 910,591.88
4. Step 4: Simplify right side
   417,069x = 829,177,562,816.02
5. Step 5: Solve for x
   x = 829,177,562,816.02/417,069
6. Step 6: Final answer
   x = 1,988,106.44