Finding the Third Proportional to 78,368.50 and 141,185

Step by Step Solution

1. Step 1: Write the proportion equation
   78,368.50 : 141,185 = 141,185 : x
2. Step 2: Convert to fraction form
   78,368.50/141,185 = 141,185/x
3. Step 3: Cross multiply
   78,368.50x = 141,185 × 141,185
4. Step 4: Simplify right side
   78,368.50x = 19,933,204,225
5. Step 5: Solve for x
   x = 19,933,204,225/78,368.50
6. Step 6: Final answer
   x = 254,352.25