Finding the Third Proportional to 191,745 and 300,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,745 : 300,136.50 = 300,136.50 : x
2. Step 2: Convert to fraction form
   191,745/300,136.50 = 300,136.50/x
3. Step 3: Cross multiply
   191,745x = 300,136.50 × 300,136.50
4. Step 4: Simplify right side
   191,745x = 90,081,918,632.25
5. Step 5: Solve for x
   x = 90,081,918,632.25/191,745
6. Step 6: Final answer
   x = 469,800.61