Finding the Third Proportional to 208,929.50 and 451,109

Step by Step Solution

1. Step 1: Write the proportion equation
   208,929.50 : 451,109 = 451,109 : x
2. Step 2: Convert to fraction form
   208,929.50/451,109 = 451,109/x
3. Step 3: Cross multiply
   208,929.50x = 451,109 × 451,109
4. Step 4: Simplify right side
   208,929.50x = 203,499,329,881
5. Step 5: Solve for x
   x = 203,499,329,881/208,929.50
6. Step 6: Final answer
   x = 974,009.56