Finding the Third Proportional to 434,322 and 664,399.13

Step by Step Solution

1. Step 1: Write the proportion equation
   434,322 : 664,399.13 = 664,399.13 : x
2. Step 2: Convert to fraction form
   434,322/664,399.13 = 664,399.13/x
3. Step 3: Cross multiply
   434,322x = 664,399.13 × 664,399.13
4. Step 4: Simplify right side
   434,322x = 441,426,197,300.77
5. Step 5: Solve for x
   x = 441,426,197,300.77/434,322
6. Step 6: Final answer
   x = 1,016,356.98