Finding the Third Proportional to 55,084.50 and 72,744.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,084.50 : 72,744.75 = 72,744.75 : x
2. Step 2: Convert to fraction form
   55,084.50/72,744.75 = 72,744.75/x
3. Step 3: Cross multiply
   55,084.50x = 72,744.75 × 72,744.75
4. Step 4: Simplify right side
   55,084.50x = 5,291,798,652.56
5. Step 5: Solve for x
   x = 5,291,798,652.56/55,084.50
6. Step 6: Final answer
   x = 96,066.93