Finding the Third Proportional to 72,450 and 102,600

Step by Step Solution

1. Step 1: Write the proportion equation
   72,450 : 102,600 = 102,600 : x
2. Step 2: Convert to fraction form
   72,450/102,600 = 102,600/x
3. Step 3: Cross multiply
   72,450x = 102,600 × 102,600
4. Step 4: Simplify right side
   72,450x = 10,526,760,000
5. Step 5: Solve for x
   x = 10,526,760,000/72,450
6. Step 6: Final answer
   x = 145,296.89