Finding the Third Proportional to 45,730.50 and 68,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,730.50 : 68,716.50 = 68,716.50 : x
2. Step 2: Convert to fraction form
   45,730.50/68,716.50 = 68,716.50/x
3. Step 3: Cross multiply
   45,730.50x = 68,716.50 × 68,716.50
4. Step 4: Simplify right side
   45,730.50x = 4,721,957,372.25
5. Step 5: Solve for x
   x = 4,721,957,372.25/45,730.50
6. Step 6: Final answer
   x = 103,256.19