Finding the Third Proportional to 54,315.42 and 79,528.78

Step by Step Solution

1. Step 1: Write the proportion equation
   54,315.42 : 79,528.78 = 79,528.78 : x
2. Step 2: Convert to fraction form
   54,315.42/79,528.78 = 79,528.78/x
3. Step 3: Cross multiply
   54,315.42x = 79,528.78 × 79,528.78
4. Step 4: Simplify right side
   54,315.42x = 6,324,827,047.11
5. Step 5: Solve for x
   x = 6,324,827,047.11/54,315.42
6. Step 6: Final answer
   x = 116,446.25