Finding the Third Proportional to 189,291.50 and 404,847

Step by Step Solution

1. Step 1: Write the proportion equation
   189,291.50 : 404,847 = 404,847 : x
2. Step 2: Convert to fraction form
   189,291.50/404,847 = 404,847/x
3. Step 3: Cross multiply
   189,291.50x = 404,847 × 404,847
4. Step 4: Simplify right side
   189,291.50x = 163,901,093,409
5. Step 5: Solve for x
   x = 163,901,093,409/189,291.50
6. Step 6: Final answer
   x = 865,866.10