Finding the Third Proportional to 200,972 and 272,940

Step by Step Solution

1. Step 1: Write the proportion equation
   200,972 : 272,940 = 272,940 : x
2. Step 2: Convert to fraction form
   200,972/272,940 = 272,940/x
3. Step 3: Cross multiply
   200,972x = 272,940 × 272,940
4. Step 4: Simplify right side
   200,972x = 74,496,243,600
5. Step 5: Solve for x
   x = 74,496,243,600/200,972
6. Step 6: Final answer
   x = 370,679.71