Finding the Third Proportional to 59,071.78 and 79,586.30

Step by Step Solution

1. Step 1: Write the proportion equation
   59,071.78 : 79,586.30 = 79,586.30 : x
2. Step 2: Convert to fraction form
   59,071.78/79,586.30 = 79,586.30/x
3. Step 3: Cross multiply
   59,071.78x = 79,586.30 × 79,586.30
4. Step 4: Simplify right side
   59,071.78x = 6,333,978,650.28
5. Step 5: Solve for x
   x = 6,333,978,650.28/59,071.78
6. Step 6: Final answer
   x = 107,225.12