Finding the Third Proportional to 215,497 and 341,061

Step by Step Solution

1. Step 1: Write the proportion equation
   215,497 : 341,061 = 341,061 : x
2. Step 2: Convert to fraction form
   215,497/341,061 = 341,061/x
3. Step 3: Cross multiply
   215,497x = 341,061 × 341,061
4. Step 4: Simplify right side
   215,497x = 116,322,605,721
5. Step 5: Solve for x
   x = 116,322,605,721/215,497
6. Step 6: Final answer
   x = 539,787.59