Finding the Third Proportional to 39,807 and 55,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,807 : 55,795.50 = 55,795.50 : x
2. Step 2: Convert to fraction form
   39,807/55,795.50 = 55,795.50/x
3. Step 3: Cross multiply
   39,807x = 55,795.50 × 55,795.50
4. Step 4: Simplify right side
   39,807x = 3,113,137,820.25
5. Step 5: Solve for x
   x = 3,113,137,820.25/39,807
6. Step 6: Final answer
   x = 78,205.79