Finding the Third Proportional to 59,778 and 89,808.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,778 : 89,808.75 = 89,808.75 : x
2. Step 2: Convert to fraction form
   59,778/89,808.75 = 89,808.75/x
3. Step 3: Cross multiply
   59,778x = 89,808.75 × 89,808.75
4. Step 4: Simplify right side
   59,778x = 8,065,611,576.56
5. Step 5: Solve for x
   x = 8,065,611,576.56/59,778
6. Step 6: Final answer
   x = 134,926.09