Finding the Third Proportional to 40,740 and 64,826

Step by Step Solution

1. Step 1: Write the proportion equation
   40,740 : 64,826 = 64,826 : x
2. Step 2: Convert to fraction form
   40,740/64,826 = 64,826/x
3. Step 3: Cross multiply
   40,740x = 64,826 × 64,826
4. Step 4: Simplify right side
   40,740x = 4,202,410,276
5. Step 5: Solve for x
   x = 4,202,410,276/40,740
6. Step 6: Final answer
   x = 103,151.95