Finding the Third Proportional to 210,607.59 and 454,427.72

Step by Step Solution

1. Step 1: Write the proportion equation
   210,607.59 : 454,427.72 = 454,427.72 : x
2. Step 2: Convert to fraction form
   210,607.59/454,427.72 = 454,427.72/x
3. Step 3: Cross multiply
   210,607.59x = 454,427.72 × 454,427.72
4. Step 4: Simplify right side
   210,607.59x = 206,504,551,568.33
5. Step 5: Solve for x
   x = 206,504,551,568.33/210,607.59
6. Step 6: Final answer
   x = 980,518.07