Finding the Third Proportional to 45,718.50 and 68,577.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,718.50 : 68,577.75 = 68,577.75 : x
2. Step 2: Convert to fraction form
   45,718.50/68,577.75 = 68,577.75/x
3. Step 3: Cross multiply
   45,718.50x = 68,577.75 × 68,577.75
4. Step 4: Simplify right side
   45,718.50x = 4,702,907,795.06
5. Step 5: Solve for x
   x = 4,702,907,795.06/45,718.50
6. Step 6: Final answer
   x = 102,866.63