Finding the Third Proportional to 40,788 and 64,894

Step by Step Solution

1. Step 1: Write the proportion equation
   40,788 : 64,894 = 64,894 : x
2. Step 2: Convert to fraction form
   40,788/64,894 = 64,894/x
3. Step 3: Cross multiply
   40,788x = 64,894 × 64,894
4. Step 4: Simplify right side
   40,788x = 4,211,231,236
5. Step 5: Solve for x
   x = 4,211,231,236/40,788
6. Step 6: Final answer
   x = 103,246.82