Finding the Third Proportional to 131,384 and 272,108

Step by Step Solution

1. Step 1: Write the proportion equation
   131,384 : 272,108 = 272,108 : x
2. Step 2: Convert to fraction form
   131,384/272,108 = 272,108/x
3. Step 3: Cross multiply
   131,384x = 272,108 × 272,108
4. Step 4: Simplify right side
   131,384x = 74,042,763,664
5. Step 5: Solve for x
   x = 74,042,763,664/131,384
6. Step 6: Final answer
   x = 563,559.97