Finding the Third Proportional to 208,729.50 and 456,843

Step by Step Solution

1. Step 1: Write the proportion equation
   208,729.50 : 456,843 = 456,843 : x
2. Step 2: Convert to fraction form
   208,729.50/456,843 = 456,843/x
3. Step 3: Cross multiply
   208,729.50x = 456,843 × 456,843
4. Step 4: Simplify right side
   208,729.50x = 208,705,526,649
5. Step 5: Solve for x
   x = 208,705,526,649/208,729.50
6. Step 6: Final answer
   x = 999,885.15