Finding the Third Proportional to 191,065 and 404,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,065 : 404,886.50 = 404,886.50 : x
2. Step 2: Convert to fraction form
   191,065/404,886.50 = 404,886.50/x
3. Step 3: Cross multiply
   191,065x = 404,886.50 × 404,886.50
4. Step 4: Simplify right side
   191,065x = 163,933,077,882.25
5. Step 5: Solve for x
   x = 163,933,077,882.25/191,065
6. Step 6: Final answer
   x = 857,996.38