Finding the Third Proportional to 52,987.50 and 79,481.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,987.50 : 79,481.25 = 79,481.25 : x
2. Step 2: Convert to fraction form
   52,987.50/79,481.25 = 79,481.25/x
3. Step 3: Cross multiply
   52,987.50x = 79,481.25 × 79,481.25
4. Step 4: Simplify right side
   52,987.50x = 6,317,269,101.56
5. Step 5: Solve for x
   x = 6,317,269,101.56/52,987.50
6. Step 6: Final answer
   x = 119,221.88