Finding the Third Proportional to 89,814 and 188,925

Step by Step Solution

1. Step 1: Write the proportion equation
   89,814 : 188,925 = 188,925 : x
2. Step 2: Convert to fraction form
   89,814/188,925 = 188,925/x
3. Step 3: Cross multiply
   89,814x = 188,925 × 188,925
4. Step 4: Simplify right side
   89,814x = 35,692,655,625
5. Step 5: Solve for x
   x = 35,692,655,625/89,814
6. Step 6: Final answer
   x = 397,406.37