Finding the Third Proportional to 39,222 and 85,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,222 : 85,243.50 = 85,243.50 : x
2. Step 2: Convert to fraction form
   39,222/85,243.50 = 85,243.50/x
3. Step 3: Cross multiply
   39,222x = 85,243.50 × 85,243.50
4. Step 4: Simplify right side
   39,222x = 7,266,454,292.25
5. Step 5: Solve for x
   x = 7,266,454,292.25/39,222
6. Step 6: Final answer
   x = 185,264.76