Finding the Third Proportional to 200,940 and 442,054

Step by Step Solution

1. Step 1: Write the proportion equation
   200,940 : 442,054 = 442,054 : x
2. Step 2: Convert to fraction form
   200,940/442,054 = 442,054/x
3. Step 3: Cross multiply
   200,940x = 442,054 × 442,054
4. Step 4: Simplify right side
   200,940x = 195,411,738,916
5. Step 5: Solve for x
   x = 195,411,738,916/200,940
6. Step 6: Final answer
   x = 972,488.00