Finding the Third Proportional to 191,068 and 404,893

Step by Step Solution

1. Step 1: Write the proportion equation
   191,068 : 404,893 = 404,893 : x
2. Step 2: Convert to fraction form
   191,068/404,893 = 404,893/x
3. Step 3: Cross multiply
   191,068x = 404,893 × 404,893
4. Step 4: Simplify right side
   191,068x = 163,938,341,449
5. Step 5: Solve for x
   x = 163,938,341,449/191,068
6. Step 6: Final answer
   x = 858,010.45