Finding the Third Proportional to 45,879 and 64,606

Step by Step Solution

1. Step 1: Write the proportion equation
   45,879 : 64,606 = 64,606 : x
2. Step 2: Convert to fraction form
   45,879/64,606 = 64,606/x
3. Step 3: Cross multiply
   45,879x = 64,606 × 64,606
4. Step 4: Simplify right side
   45,879x = 4,173,935,236
5. Step 5: Solve for x
   x = 4,173,935,236/45,879
6. Step 6: Final answer
   x = 90,977.03