Finding the Third Proportional to 42,859.13 and 65,928.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,859.13 : 65,928.94 = 65,928.94 : x
2. Step 2: Convert to fraction form
   42,859.13/65,928.94 = 65,928.94/x
3. Step 3: Cross multiply
   42,859.13x = 65,928.94 × 65,928.94
4. Step 4: Simplify right side
   42,859.13x = 4,346,624,799.88
5. Step 5: Solve for x
   x = 4,346,624,799.88/42,859.13
6. Step 6: Final answer
   x = 101,416.55