Finding the Third Proportional to 60,334.88 and 128,683.69

Step by Step Solution

1. Step 1: Write the proportion equation
   60,334.88 : 128,683.69 = 128,683.69 : x
2. Step 2: Convert to fraction form
   60,334.88/128,683.69 = 128,683.69/x
3. Step 3: Cross multiply
   60,334.88x = 128,683.69 × 128,683.69
4. Step 4: Simplify right side
   60,334.88x = 16,559,491,428.60
5. Step 5: Solve for x
   x = 16,559,491,428.60/60,334.88
6. Step 6: Final answer
   x = 274,459.70