Finding the Third Proportional to 200,898 and 272,844

Step by Step Solution

1. Step 1: Write the proportion equation
   200,898 : 272,844 = 272,844 : x
2. Step 2: Convert to fraction form
   200,898/272,844 = 272,844/x
3. Step 3: Cross multiply
   200,898x = 272,844 × 272,844
4. Step 4: Simplify right side
   200,898x = 74,443,848,336
5. Step 5: Solve for x
   x = 74,443,848,336/200,898
6. Step 6: Final answer
   x = 370,555.45