Finding the Third Proportional to 191,756 and 300,153

Step by Step Solution

1. Step 1: Write the proportion equation
   191,756 : 300,153 = 300,153 : x
2. Step 2: Convert to fraction form
   191,756/300,153 = 300,153/x
3. Step 3: Cross multiply
   191,756x = 300,153 × 300,153
4. Step 4: Simplify right side
   191,756x = 90,091,823,409
5. Step 5: Solve for x
   x = 90,091,823,409/191,756
6. Step 6: Final answer
   x = 469,825.32