Finding the Third Proportional to 59,467.50 and 79,278.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,467.50 : 79,278.75 = 79,278.75 : x
2. Step 2: Convert to fraction form
   59,467.50/79,278.75 = 79,278.75/x
3. Step 3: Cross multiply
   59,467.50x = 79,278.75 × 79,278.75
4. Step 4: Simplify right side
   59,467.50x = 6,285,120,201.56
5. Step 5: Solve for x
   x = 6,285,120,201.56/59,467.50
6. Step 6: Final answer
   x = 105,690.00