Finding the Third Proportional to 210,610.50 and 454,434

Step by Step Solution

1. Step 1: Write the proportion equation
   210,610.50 : 454,434 = 454,434 : x
2. Step 2: Convert to fraction form
   210,610.50/454,434 = 454,434/x
3. Step 3: Cross multiply
   210,610.50x = 454,434 × 454,434
4. Step 4: Simplify right side
   210,610.50x = 206,510,260,356
5. Step 5: Solve for x
   x = 206,510,260,356/210,610.50
6. Step 6: Final answer
   x = 980,531.65