Finding the Third Proportional to 8,061.50 and 12,457

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.50 : 12,457 = 12,457 : x
2. Step 2: Convert to fraction form
   8,061.50/12,457 = 12,457/x
3. Step 3: Cross multiply
   8,061.50x = 12,457 × 12,457
4. Step 4: Simplify right side
   8,061.50x = 155,176,849
5. Step 5: Solve for x
   x = 155,176,849/8,061.50
6. Step 6: Final answer
   x = 19,249.13