Finding the Third Proportional to 30,235.50 and 64,074

Step by Step Solution

1. Step 1: Write the proportion equation
   30,235.50 : 64,074 = 64,074 : x
2. Step 2: Convert to fraction form
   30,235.50/64,074 = 64,074/x
3. Step 3: Cross multiply
   30,235.50x = 64,074 × 64,074
4. Step 4: Simplify right side
   30,235.50x = 4,105,477,476
5. Step 5: Solve for x
   x = 4,105,477,476/30,235.50
6. Step 6: Final answer
   x = 135,783.35