Finding the Third Proportional to 30,073.78 and 64,962

Step by Step Solution

1. Step 1: Write the proportion equation
   30,073.78 : 64,962 = 64,962 : x
2. Step 2: Convert to fraction form
   30,073.78/64,962 = 64,962/x
3. Step 3: Cross multiply
   30,073.78x = 64,962 × 64,962
4. Step 4: Simplify right side
   30,073.78x = 4,220,061,444
5. Step 5: Solve for x
   x = 4,220,061,444/30,073.78
6. Step 6: Final answer
   x = 140,323.61