Finding the Third Proportional to 59,980.50 and 99,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,980.50 : 99,958.50 = 99,958.50 : x
2. Step 2: Convert to fraction form
   59,980.50/99,958.50 = 99,958.50/x
3. Step 3: Cross multiply
   59,980.50x = 99,958.50 × 99,958.50
4. Step 4: Simplify right side
   59,980.50x = 9,991,701,722.25
5. Step 5: Solve for x
   x = 9,991,701,722.25/59,980.50
6. Step 6: Final answer
   x = 166,582.50