Finding the Third Proportional to 43,809 and 68,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,809 : 68,632.50 = 68,632.50 : x
2. Step 2: Convert to fraction form
   43,809/68,632.50 = 68,632.50/x
3. Step 3: Cross multiply
   43,809x = 68,632.50 × 68,632.50
4. Step 4: Simplify right side
   43,809x = 4,710,420,056.25
5. Step 5: Solve for x
   x = 4,710,420,056.25/43,809
6. Step 6: Final answer
   x = 107,521.74