Finding the Third Proportional to 40,702.50 and 59,190.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,702.50 : 59,190.75 = 59,190.75 : x
2. Step 2: Convert to fraction form
   40,702.50/59,190.75 = 59,190.75/x
3. Step 3: Cross multiply
   40,702.50x = 59,190.75 × 59,190.75
4. Step 4: Simplify right side
   40,702.50x = 3,503,544,885.56
5. Step 5: Solve for x
   x = 3,503,544,885.56/40,702.50
6. Step 6: Final answer
   x = 86,076.90