Finding the Third Proportional to 64,322.50 and 98,980

Step by Step Solution

1. Step 1: Write the proportion equation
   64,322.50 : 98,980 = 98,980 : x
2. Step 2: Convert to fraction form
   64,322.50/98,980 = 98,980/x
3. Step 3: Cross multiply
   64,322.50x = 98,980 × 98,980
4. Step 4: Simplify right side
   64,322.50x = 9,797,040,400
5. Step 5: Solve for x
   x = 9,797,040,400/64,322.50
6. Step 6: Final answer
   x = 152,311.25