Finding the Third Proportional to 208,908 and 457,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,908 : 457,864.50 = 457,864.50 : x
2. Step 2: Convert to fraction form
   208,908/457,864.50 = 457,864.50/x
3. Step 3: Cross multiply
   208,908x = 457,864.50 × 457,864.50
4. Step 4: Simplify right side
   208,908x = 209,639,900,360.25
5. Step 5: Solve for x
   x = 209,639,900,360.25/208,908
6. Step 6: Final answer
   x = 1,003,503.46