Finding the Third Proportional to 68,825 and 105,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,825 : 105,211.50 = 105,211.50 : x
2. Step 2: Convert to fraction form
   68,825/105,211.50 = 105,211.50/x
3. Step 3: Cross multiply
   68,825x = 105,211.50 × 105,211.50
4. Step 4: Simplify right side
   68,825x = 11,069,459,732.25
5. Step 5: Solve for x
   x = 11,069,459,732.25/68,825
6. Step 6: Final answer
   x = 160,834.87