Finding the Third Proportional to 131,892 and 319,068

Step by Step Solution

1. Step 1: Write the proportion equation
   131,892 : 319,068 = 319,068 : x
2. Step 2: Convert to fraction form
   131,892/319,068 = 319,068/x
3. Step 3: Cross multiply
   131,892x = 319,068 × 319,068
4. Step 4: Simplify right side
   131,892x = 101,804,388,624
5. Step 5: Solve for x
   x = 101,804,388,624/131,892
6. Step 6: Final answer
   x = 771,876.90