Finding the Third Proportional to 40,003.88 and 55,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,003.88 : 55,930.50 = 55,930.50 : x
2. Step 2: Convert to fraction form
   40,003.88/55,930.50 = 55,930.50/x
3. Step 3: Cross multiply
   40,003.88x = 55,930.50 × 55,930.50
4. Step 4: Simplify right side
   40,003.88x = 3,128,220,830.25
5. Step 5: Solve for x
   x = 3,128,220,830.25/40,003.88
6. Step 6: Final answer
   x = 78,197.95