Finding the Third Proportional to 42,756 and 64,894

Step by Step Solution

1. Step 1: Write the proportion equation
   42,756 : 64,894 = 64,894 : x
2. Step 2: Convert to fraction form
   42,756/64,894 = 64,894/x
3. Step 3: Cross multiply
   42,756x = 64,894 × 64,894
4. Step 4: Simplify right side
   42,756x = 4,211,231,236
5. Step 5: Solve for x
   x = 4,211,231,236/42,756
6. Step 6: Final answer
   x = 98,494.51