Finding the Third Proportional to 30,904.50 and 63,277.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904.50 : 63,277.50 = 63,277.50 : x
2. Step 2: Convert to fraction form
   30,904.50/63,277.50 = 63,277.50/x
3. Step 3: Cross multiply
   30,904.50x = 63,277.50 × 63,277.50
4. Step 4: Simplify right side
   30,904.50x = 4,004,042,006.25
5. Step 5: Solve for x
   x = 4,004,042,006.25/30,904.50
6. Step 6: Final answer
   x = 129,561.78