Finding the Third Proportional to 191,736 and 412,905.38

Step by Step Solution

1. Step 1: Write the proportion equation
   191,736 : 412,905.38 = 412,905.38 : x
2. Step 2: Convert to fraction form
   191,736/412,905.38 = 412,905.38/x
3. Step 3: Cross multiply
   191,736x = 412,905.38 × 412,905.38
4. Step 4: Simplify right side
   191,736x = 170,490,848,703.89
5. Step 5: Solve for x
   x = 170,490,848,703.89/191,736
6. Step 6: Final answer
   x = 889,195.81