Finding the Third Proportional to 62,480.50 and 99,930

Step by Step Solution

1. Step 1: Write the proportion equation
   62,480.50 : 99,930 = 99,930 : x
2. Step 2: Convert to fraction form
   62,480.50/99,930 = 99,930/x
3. Step 3: Cross multiply
   62,480.50x = 99,930 × 99,930
4. Step 4: Simplify right side
   62,480.50x = 9,986,004,900
5. Step 5: Solve for x
   x = 9,986,004,900/62,480.50
6. Step 6: Final answer
   x = 159,825.94