Finding the Third Proportional to 260,892 and 372,199.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,892 : 372,199.50 = 372,199.50 : x
2. Step 2: Convert to fraction form
   260,892/372,199.50 = 372,199.50/x
3. Step 3: Cross multiply
   260,892x = 372,199.50 × 372,199.50
4. Step 4: Simplify right side
   260,892x = 138,532,467,800.25
5. Step 5: Solve for x
   x = 138,532,467,800.25/260,892
6. Step 6: Final answer
   x = 530,995.46