Finding the Third Proportional to 54,315.75 and 79,528.88

Step by Step Solution

1. Step 1: Write the proportion equation
   54,315.75 : 79,528.88 = 79,528.88 : x
2. Step 2: Convert to fraction form
   54,315.75/79,528.88 = 79,528.88/x
3. Step 3: Cross multiply
   54,315.75x = 79,528.88 × 79,528.88
4. Step 4: Simplify right side
   54,315.75x = 6,324,841,958.77
5. Step 5: Solve for x
   x = 6,324,841,958.77/54,315.75
6. Step 6: Final answer
   x = 116,445.82