Finding the Third Proportional to 30,930 and 49,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,930 : 49,798.50 = 49,798.50 : x
2. Step 2: Convert to fraction form
   30,930/49,798.50 = 49,798.50/x
3. Step 3: Cross multiply
   30,930x = 49,798.50 × 49,798.50
4. Step 4: Simplify right side
   30,930x = 2,479,890,602.25
5. Step 5: Solve for x
   x = 2,479,890,602.25/30,930
6. Step 6: Final answer
   x = 80,177.52