Finding the Third Proportional to 30,932 and 67,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,932 : 67,776.50 = 67,776.50 : x
2. Step 2: Convert to fraction form
   30,932/67,776.50 = 67,776.50/x
3. Step 3: Cross multiply
   30,932x = 67,776.50 × 67,776.50
4. Step 4: Simplify right side
   30,932x = 4,593,653,952.25
5. Step 5: Solve for x
   x = 4,593,653,952.25/30,932
6. Step 6: Final answer
   x = 148,508.15