Finding the Third Proportional to 200,743.31 and 445,773.38

Step by Step Solution

1. Step 1: Write the proportion equation
   200,743.31 : 445,773.38 = 445,773.38 : x
2. Step 2: Convert to fraction form
   200,743.31/445,773.38 = 445,773.38/x
3. Step 3: Cross multiply
   200,743.31x = 445,773.38 × 445,773.38
4. Step 4: Simplify right side
   200,743.31x = 198,713,901,858.89
5. Step 5: Solve for x
   x = 198,713,901,858.89/200,743.31
6. Step 6: Final answer
   x = 989,890.52