Finding the Third Proportional to 73,680.75 and 150,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,680.75 : 150,457.50 = 150,457.50 : x
2. Step 2: Convert to fraction form
   73,680.75/150,457.50 = 150,457.50/x
3. Step 3: Cross multiply
   73,680.75x = 150,457.50 × 150,457.50
4. Step 4: Simplify right side
   73,680.75x = 22,637,459,306.25
5. Step 5: Solve for x
   x = 22,637,459,306.25/73,680.75
6. Step 6: Final answer
   x = 307,237.09