Finding the Third Proportional to 491,526 and 664,080.75

Step by Step Solution

1. Step 1: Write the proportion equation
   491,526 : 664,080.75 = 664,080.75 : x
2. Step 2: Convert to fraction form
   491,526/664,080.75 = 664,080.75/x
3. Step 3: Cross multiply
   491,526x = 664,080.75 × 664,080.75
4. Step 4: Simplify right side
   491,526x = 441,003,242,520.56
5. Step 5: Solve for x
   x = 441,003,242,520.56/491,526
6. Step 6: Final answer
   x = 897,212.44