Finding the Third Proportional to 45,402.75 and 68,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,402.75 : 68,269.50 = 68,269.50 : x
2. Step 2: Convert to fraction form
   45,402.75/68,269.50 = 68,269.50/x
3. Step 3: Cross multiply
   45,402.75x = 68,269.50 × 68,269.50
4. Step 4: Simplify right side
   45,402.75x = 4,660,724,630.25
5. Step 5: Solve for x
   x = 4,660,724,630.25/45,402.75
6. Step 6: Final answer
   x = 102,652.91