Finding the Third Proportional to 79,420.50 and 116,700.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,420.50 : 116,700.75 = 116,700.75 : x
2. Step 2: Convert to fraction form
   79,420.50/116,700.75 = 116,700.75/x
3. Step 3: Cross multiply
   79,420.50x = 116,700.75 × 116,700.75
4. Step 4: Simplify right side
   79,420.50x = 13,619,065,050.56
5. Step 5: Solve for x
   x = 13,619,065,050.56/79,420.50
6. Step 6: Final answer
   x = 171,480.47