Finding the Third Proportional to 43,809.50 and 68,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,809.50 : 68,634.50 = 68,634.50 : x
2. Step 2: Convert to fraction form
   43,809.50/68,634.50 = 68,634.50/x
3. Step 3: Cross multiply
   43,809.50x = 68,634.50 × 68,634.50
4. Step 4: Simplify right side
   43,809.50x = 4,710,694,590.25
5. Step 5: Solve for x
   x = 4,710,694,590.25/43,809.50
6. Step 6: Final answer
   x = 107,526.78