Finding the Third Proportional to 45,690 and 68,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,690 : 68,344.50 = 68,344.50 : x
2. Step 2: Convert to fraction form
   45,690/68,344.50 = 68,344.50/x
3. Step 3: Cross multiply
   45,690x = 68,344.50 × 68,344.50
4. Step 4: Simplify right side
   45,690x = 4,670,970,680.25
5. Step 5: Solve for x
   x = 4,670,970,680.25/45,690
6. Step 6: Final answer
   x = 102,231.79