Finding the Third Proportional to 122,613.75 and 187,099.03

Step by Step Solution

1. Step 1: Write the proportion equation
   122,613.75 : 187,099.03 = 187,099.03 : x
2. Step 2: Convert to fraction form
   122,613.75/187,099.03 = 187,099.03/x
3. Step 3: Cross multiply
   122,613.75x = 187,099.03 × 187,099.03
4. Step 4: Simplify right side
   122,613.75x = 35,006,047,494.69
5. Step 5: Solve for x
   x = 35,006,047,494.69/122,613.75
6. Step 6: Final answer
   x = 285,498.55