Finding the Third Proportional to 30,564 and 63,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,564 : 63,031.50 = 63,031.50 : x
2. Step 2: Convert to fraction form
   30,564/63,031.50 = 63,031.50/x
3. Step 3: Cross multiply
   30,564x = 63,031.50 × 63,031.50
4. Step 4: Simplify right side
   30,564x = 3,972,969,992.25
5. Step 5: Solve for x
   x = 3,972,969,992.25/30,564
6. Step 6: Final answer
   x = 129,988.55