Finding the Third Proportional to 45,387 and 69,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,387 : 69,040.50 = 69,040.50 : x
2. Step 2: Convert to fraction form
   45,387/69,040.50 = 69,040.50/x
3. Step 3: Cross multiply
   45,387x = 69,040.50 × 69,040.50
4. Step 4: Simplify right side
   45,387x = 4,766,590,640.25
5. Step 5: Solve for x
   x = 4,766,590,640.25/45,387
6. Step 6: Final answer
   x = 105,021.06