Finding the Third Proportional to 67,653 and 91,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,653 : 91,273.50 = 91,273.50 : x
2. Step 2: Convert to fraction form
   67,653/91,273.50 = 91,273.50/x
3. Step 3: Cross multiply
   67,653x = 91,273.50 × 91,273.50
4. Step 4: Simplify right side
   67,653x = 8,330,851,802.25
5. Step 5: Solve for x
   x = 8,330,851,802.25/67,653
6. Step 6: Final answer
   x = 123,140.91