Finding the Third Proportional to 42,336 and 64,962

Step by Step Solution

1. Step 1: Write the proportion equation
   42,336 : 64,962 = 64,962 : x
2. Step 2: Convert to fraction form
   42,336/64,962 = 64,962/x
3. Step 3: Cross multiply
   42,336x = 64,962 × 64,962
4. Step 4: Simplify right side
   42,336x = 4,220,061,444
5. Step 5: Solve for x
   x = 4,220,061,444/42,336
6. Step 6: Final answer
   x = 99,680.21