Finding the Third Proportional to 35,657.50 and 55,185

Step by Step Solution

1. Step 1: Write the proportion equation
   35,657.50 : 55,185 = 55,185 : x
2. Step 2: Convert to fraction form
   35,657.50/55,185 = 55,185/x
3. Step 3: Cross multiply
   35,657.50x = 55,185 × 55,185
4. Step 4: Simplify right side
   35,657.50x = 3,045,384,225
5. Step 5: Solve for x
   x = 3,045,384,225/35,657.50
6. Step 6: Final answer
   x = 85,406.55