Finding the Third Proportional to 30,940.73 and 67,798.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,940.73 : 67,798.27 = 67,798.27 : x
2. Step 2: Convert to fraction form
   30,940.73/67,798.27 = 67,798.27/x
3. Step 3: Cross multiply
   30,940.73x = 67,798.27 × 67,798.27
4. Step 4: Simplify right side
   30,940.73x = 4,596,604,821.76
5. Step 5: Solve for x
   x = 4,596,604,821.76/30,940.73
6. Step 6: Final answer
   x = 148,561.59