Finding the Third Proportional to 30,472.50 and 64,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,472.50 : 64,271.25 = 64,271.25 : x
2. Step 2: Convert to fraction form
   30,472.50/64,271.25 = 64,271.25/x
3. Step 3: Cross multiply
   30,472.50x = 64,271.25 × 64,271.25
4. Step 4: Simplify right side
   30,472.50x = 4,130,793,576.56
5. Step 5: Solve for x
   x = 4,130,793,576.56/30,472.50
6. Step 6: Final answer
   x = 135,558.08