Finding the Third Proportional to 79,718.50 and 118,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,718.50 : 118,038.50 = 118,038.50 : x
2. Step 2: Convert to fraction form
   79,718.50/118,038.50 = 118,038.50/x
3. Step 3: Cross multiply
   79,718.50x = 118,038.50 × 118,038.50
4. Step 4: Simplify right side
   79,718.50x = 13,933,087,482.25
5. Step 5: Solve for x
   x = 13,933,087,482.25/79,718.50
6. Step 6: Final answer
   x = 174,778.60