Finding the Third Proportional to 67,231.69 and 99,307.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,231.69 : 99,307.69 = 99,307.69 : x
2. Step 2: Convert to fraction form
   67,231.69/99,307.69 = 99,307.69/x
3. Step 3: Cross multiply
   67,231.69x = 99,307.69 × 99,307.69
4. Step 4: Simplify right side
   67,231.69x = 9,862,016,796.60
5. Step 5: Solve for x
   x = 9,862,016,796.60/67,231.69
6. Step 6: Final answer
   x = 146,687.03