Finding the Third Proportional to 67,911.75 and 99,667.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,911.75 : 99,667.13 = 99,667.13 : x
2. Step 2: Convert to fraction form
   67,911.75/99,667.13 = 99,667.13/x
3. Step 3: Cross multiply
   67,911.75x = 99,667.13 × 99,667.13
4. Step 4: Simplify right side
   67,911.75x = 9,933,535,805.77
5. Step 5: Solve for x
   x = 9,933,535,805.77/67,911.75
6. Step 6: Final answer
   x = 146,271.24