Finding the Third Proportional to 55,519.50 and 72,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,519.50 : 72,892.50 = 72,892.50 : x
2. Step 2: Convert to fraction form
   55,519.50/72,892.50 = 72,892.50/x
3. Step 3: Cross multiply
   55,519.50x = 72,892.50 × 72,892.50
4. Step 4: Simplify right side
   55,519.50x = 5,313,316,556.25
5. Step 5: Solve for x
   x = 5,313,316,556.25/55,519.50
6. Step 6: Final answer
   x = 95,701.81