Finding the Third Proportional to 48,901.50 and 80,910

Step by Step Solution

1. Step 1: Write the proportion equation
   48,901.50 : 80,910 = 80,910 : x
2. Step 2: Convert to fraction form
   48,901.50/80,910 = 80,910/x
3. Step 3: Cross multiply
   48,901.50x = 80,910 × 80,910
4. Step 4: Simplify right side
   48,901.50x = 6,546,428,100
5. Step 5: Solve for x
   x = 6,546,428,100/48,901.50
6. Step 6: Final answer
   x = 133,869.68