Finding the Third Proportional to 43,309.50 and 67,699

Step by Step Solution

1. Step 1: Write the proportion equation
   43,309.50 : 67,699 = 67,699 : x
2. Step 2: Convert to fraction form
   43,309.50/67,699 = 67,699/x
3. Step 3: Cross multiply
   43,309.50x = 67,699 × 67,699
4. Step 4: Simplify right side
   43,309.50x = 4,583,154,601
5. Step 5: Solve for x
   x = 4,583,154,601/43,309.50
6. Step 6: Final answer
   x = 105,823.31